38K2 Group User's Manual

Transcription

1 REJ9B User's Manual RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 74 FAMILY / 38 SERIES All information contained in these materials, including products and product specifications, represents information on the product at the time of publication and is subject to change by Renesas Technology Corp. without notice. Please review the latest information published by Renesas Technology Corp. through various means, including the Renesas Technology Corp. website ( Rev. 2. Revision date: Oct 5, 26

2 Notes regarding these materials. This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use. Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of Renesas or any third party with respect to the information in this document. 2. Renesas shall have no liability for damages or infringement of any intellectual property or other rights arising out of the use of any information in this document, including, but not limited to, product data, diagrams, charts, programs, algorithms, and application circuit examples. 3. You should not use the products or the technology described in this document for the purpose of military applications such as the development of weapons of mass destruction or for the purpose of any other military use. When exporting the products or technology described herein, you should follow the applicable export control laws and regulations, and procedures required by such laws and regulations. 4. All information included in this document such as product data, diagrams, charts, programs, algorithms, and application circuit examples, is current as of the date this document is issued. Such information, however, is subject to change without any prior notice. Before purchasing or using any Renesas products listed in this document, please confirm the latest product information with a Renesas sales office. Also, please pay regular and careful attention to additional and different information to be disclosed by Renesas such as that disclosed through our website. ( ) 5. Renesas has used reasonable care in compiling the information included in this document, but Renesas assumes no liability whatsoever for any damages incurred as a result of errors or omissions in the information included in this document. 6. When using or otherwise relying on the information in this document, you should evaluate the information in light of the total system before deciding about the applicability of such information to the intended application. Renesas makes no representations, warranties or guaranties regarding the suitability of its products for any particular application and specifically disclaims any liability arising out of the application and use of the information in this document or Renesas products. 7. With the exception of products specified by Renesas as suitable for automobile applications, Renesas products are not designed, manufactured or tested for applications or otherwise in systems the failure or malfunction of which may cause a direct threat to human life or create a risk of human injury or which require especially high quality and reliability such as safety systems, or equipment or systems for transportation and traffic, healthcare, combustion control, aerospace and aeronautics, nuclear power, or undersea communication transmission. If you are considering the use of our products for such purposes, please contact a Renesas sales office beforehand. Renesas shall have no liability for damages arising out of the uses set forth above. 8. Notwithstanding the preceding paragraph, you should not use Renesas products for the purposes listed below: () artificial life support devices or systems (2) surgical implantations (3) healthcare intervention (e.g., excision, administration of medication, etc.) (4) any other purposes that pose a direct threat to human life Renesas shall have no liability for damages arising out of the uses set forth in the above and purchasers who elect to use Renesas products in any of the foregoing applications shall indemnify and hold harmless Renesas Technology Corp., its affiliated companies and their officers, directors, and employees against any and all damages arising out of such applications. 9. You should use the products described herein within the range specified by Renesas, especially with respect to the maximum rating, operating supply voltage range, movement power voltage range, heat radiation characteristics, installation and other product characteristics. Renesas shall have no liability for malfunctions or damages arising out of the use of Renesas products beyond such specified ranges.. Although Renesas endeavors to improve the quality and reliability of its products, IC products have specific characteristics such as the occurrence of failure at a certain rate and malfunctions under certain use conditions. Please be sure to implement safety measures to guard against the possibility of physical injury, and injury or damage caused by fire in the event of the failure of a Renesas product, such as safety design for hardware and software including but not limited to redundancy, fire control and malfunction prevention, appropriate treatment for aging degradation or any other applicable measures. Among others, since the evaluation of microcomputer software alone is very difficult, please evaluate the safety of the final products or system manufactured by you.. In case Renesas products listed in this document are detached from the products to which the Renesas products are attached or affixed, the risk of accident such as swallowing by infants and small children is very high. You should implement safety measures so that Renesas products may not be easily detached from your products. Renesas shall have no liability for damages arising out of such detachment. 2. This document may not be reproduced or duplicated, in any form, in whole or in part, without prior written approval from Renesas. 3. Please contact a Renesas sales office if you have any questions regarding the information contained in this document, Renesas semiconductor products, or if you have any other inquiries.

3 General Precautions in the Handling of MPU/MCU Products The following usage notes are applicable to all MPU/MCU products from Renesas. For detailed usage notes on the products covered by this manual, refer to the relevant sections of the manual. If the descriptions under General Precautions in the Handling of MPU/MCU Products and in the body of the manual differ from each other, the description in the body of the manual takes precedence.. Handling of Unused Pins Handle unused pins in accord with the directions given under Handling of Unused Pins in the manual. The input pins of CMOS products are generally in the high-impedance state. In operation with an unused pin in the open-circuit state, extra electromagnetic noise is induced in the vicinity of LSI, an associated shoot-through current flows internally, and malfunctions occur due to the false recognition of the pin state as an input signal become possible. Unused pins should be handled as described under Handling of Unused Pins in the manual. 2. Processing at Power-on The state of the product is undefined at the moment when power is supplied. The states of internal circuits in the LSI are indeterminate and the states of register settings and pins are undefined at the moment when power is supplied. In a finished product where the reset signal is applied to the external reset pin, the states of pins are not guaranteed from the moment when power is supplied until the reset process is completed. In a similar way, the states of pins in a product that is reset by an on-chip power-on reset function are not guaranteed from the moment when power is supplied until the power reaches the level at which resetting has been specified. 3. Prohibition of Access to Reserved Addresses Access to reserved addresses is prohibited. The reserved addresses are provided for the possible future expansion of functions. Do not access these addresses; the correct operation of LSI is not guaranteed if they are accessed. 4. Clock Signals After applying a reset, only release the reset line after the operating clock signal has become stable. When switching the clock signal during program execution, wait until the target clock signal has stabilized. When the clock signal is generated with an external resonator (or from an external oscillator) during a reset, ensure that the reset line is only released after full stabilization of the clock signal. Moreover, when switching to a clock signal produced with an external resonator (or by an external oscillator) while program execution is in progress, wait until the target clock signal is stable. 5. Differences between Products Before changing from one product to another, i.e. to one with a different type number, confirm that the change will not lead to problems. The characteristics of MPU/MCU in the same group but having different type numbers may differ because of the differences in internal memory capacity and layout pattern. When changing to products of different type numbers, implement a system-evaluation test for each of the products.

4 BEFORE USING THIS MANUAL This user s manual consists of the following three chapters. Refer to the chapter appropriate to your conditions, such as hardware design or software development. Chapter 3 also includes necessary information for systems development. You must refer to that chapter.. Organization CHAPTER HARDWARE This chapter describes features of the microcomputer and operation of each peripheral function. CHAPTER 2 APPLICATION This chapter describes usage and application examples of peripheral functions, based mainly on setting examples of relevant registers. CHAPTER 3 APPENDIX This chapter includes necessary information for systems development using the microcomputer, such as the electrical characteristics, the list of registers. 2. Structure of register The figure of each register structure describes its functions, contents at reset, and attributes as follows : b6 b5 b4 b3 b2 b b Bits Bit attributes (Note ) Contents immediately after reset release CPU mode register (CPUM) [Address : 3B 6] (Note 2) B Processor mode bits Stack page selection bit Name Function At reset R W : Single-chip mode : : Not available : : page : page Nothing arranged for these bits. These are write disabled bits. When these bits are read out, the contents are. Fix this bit to. : Operating Main clock (XIN-XOUT) stop bit : Stopped : XIN-XOUT selected Internal system clock selection bit : XCIN-XCOUT selected b b : Bit in which nothing is arranged : Bit that is not used for control of the corresponding function Note :. Contents immediately after reset release... at reset release... at reset release?... Undefined at reset release...contents determined by option at reset release Note 2: Bit attributes... The attributes of control register bits are classified into 3 bytes : read-only, writeonly and read and write. In the figure, these attributes are represented as follows : R...Read... Read enabled...read disabled W...Write... Write enabled... Write disabled... write 3. Supplementation For details of software, refer to the 74 FAMILY SOFTWARE MANUAL. For details of development support tools, refer to the Renesas Technology Homepage (

5 Table of contents CHAPTER HARDWARE Table of contents DESCRIPTION... 2 FEATURES... 2 PIN CONFIGURATION... 2 FUNCTIONAL BLOCK... 3 PIN DESCRIPTION... 4 PART NUMBERING... 5 GROUP EXPANSION... 6 Memory Type... 6 Memory Size... 6 Packages... 6 FUNCTIONAL DESCRIPTION... 7 Central Processing Unit (CPU)... 7 Memory... I/O Ports... 3 Interrupts... 7 Timers... 2 Serial Interface USB Function HUB Function External Bus Interface (EXB)... 7 Multichannel RAM A/D Converter... 9 Watchdog Timer Reset Circuit PLL Circuit (Frequency Synthesizer) Clock Generating Circuit Flash Memory Mode... NOTES ON PROGRAMMING NOTES ON USAGE DATA REQUIRED FOR MASK ORDERS FUNCTIONAL DESCRIPTION SUPPLEMENT CHAPTER 2 APPLICATION 2. I/O port Memory map Related registers Handling of unused pins Notes on input and output pins Termination of unused pins Interrupt Memory map Related registers Interrupt source Interrupt operation Interrupt control INT interrupt... 8 Rev.2. Oct 5, 26 page of 4 REJ9B338-2

6 Table of contents Key input interrupt Notes on interrupts Timer Memory map Related registers Timer application examples Notes on timer Serial I/O Memory map Related registers Serial I/O connection examples Setting of serial I/O transfer data format Serial I/O application examples Notes on serial I/O USB function HUB function External bus interface(exb) A/D converter Memory map Related registers A/D converter application examples Notes on A/D converter Watchdog timer Memory map Related registers Watchdog timer application examples Notes on watchdog timer Reset Connection example of reset IC Notes on RESET pin Frequency synthesizer (PLL) Memory map Related registers Functional description Notes on PLL Clock generating circuit Memory map Related registers Oscillation control Standby function Memory map Related registers Stop mode Wait mode Notes on stand-by function Flash memory Overview Memory map Related registers Parallel I/O mode Standard serial I/O mode CPU rewrite mode... 6 Rev.2. Oct 5, 26 page 2 of 4 REJ9B338-2

7 Table of contents Flash memory mode application examples Notes on CPU rewrite mode... 2 CHAPTER 3 APPENDIX 3. Electrical characteristics Absolute maximum ratings Recommended operating conditions (L.Ver) Electrical characteristics (L.Ver) A/D converter characteristics (L.Ver) Timing requirements (L.Ver) Switching characteristics (L.Ver) Notes on use Notes on input and output ports Termination of unused pins Notes on interrupts Notes on timer Notes on serial I/O Notes on USB function Notes on A/D converter Notes on watchdog timer Notes on RESET pin Notes onpll Notes on stand-by function Notes on CPU rewrite mode Notes on programming Notes on flash memory version Electric Characteristic Differences Between Mask ROM and Flash Memory Version MCUs Countermeasures against noise Shortest wiring length Connection of bypass capacitor across VSS line and VCC line Wiring to analog input pins Oscillator concerns Setup for I/O ports Providing of watchdog timer function by software List of registers Package outline Machine instructions List of instruction code SFR memory map Pin configurations Rev.2. Oct 5, 26 page 3 of 4 REJ9B338-2

8 List of figures List of figures CHAPTER HARDWARE Fig. Pin configuration of 38K2 group... 2 Fig. 2 Functional block diagram... 3 Fig. 3 Part numbering... 5 Fig. 4 Memory expansion plan... 6 Fig Family CPU register structure... 7 Fig. 6 Register push and pop at interrupt generation and subroutine call... 8 Fig. 7 Structure of CPU mode register... Fig. 8 Memory map diagram... Fig. 9 Memory map of special function register (SFR)... 2 Fig. Port block diagram ()... 4 Fig. Port block diagram (2)... 5 Fig. 2 Structure of port I/O-related registers... 6 Fig. 3 Interrupt control... 8 Fig. 4 Structure of interrupt-related registers... 8 Fig. 5 Connection example when using key input interrupt and port P block diagram.. 9 Fig. 6 Structure of timer X mode register... 2 Fig. 7 Timer block diagram... 2 Fig. 8 Block diagram of clock synchronous serial I/O Fig. 9 Operation of clock synchronous serial I/O function Fig. 2 Block diagram of UART serial I/O Fig. 2 Operation of UART serial I/O function Fig. 22 Structure of serial I/O control registers Fig. 23 USB function overview Fig. 24 USB Function Control Circuit (USBFCC) block diagram Fig. 25 USB port external circuit (D+, D-, USBVREF, TrON) block diagram (4.V VCC 5.25V) Fig. 26 USB port external circuit (D+, D-, USBVREF, TrON) block diagram (3.V VCC 4.V) Fig. 27 Example setting of buffer area beginning address Fig. 28 Examples of interrupt source dependant buffer area offset address Fig. 29 USB device interrupt control... 3 Fig. 3 USB related registers Fig. 3 Structure of USB control register Fig. 32 Structure of USB function/hub enable register Fig. 33 Structure of USB function address register Fig. 34 Structure of USB HUB address register Fig. 35 Structure of Frame number register Low Fig. 36 Structure of Frame number register High Fig. 37 Structure of USB interrupt source enable register Fig. 38 Structure of USB interrupt source register Fig. 39 Structure of Endpoint index register Fig. 4 Structure of EP stage register Fig. 4 Structure of EP control register Fig. 42 Structure of EP control register Fig. 43 Structure of EP control register Rev.2. Oct 5, 26 page 4 of 4 REJ9B338-2

9 List of figures Fig. 44 Structure of EP interrupt source register Fig. 45 Structure of EP byte number register... 4 Fig. 46 Structure of EP buffer area set register... 4 Fig. 47 Structure of EP set register... 4 Fig. 48 Structure of EP control register... 4 Fig. 49 Structure of EP control register Fig. 5 Structure of EP control register Fig. 5 Structure of EP interrupt source register Fig. 52 Structure of EP byte number register Fig. 53 Structure of EP byte number register Fig. 54 Structure of EP MAX. packet size register Fig. 55 Structure of EP buffer area set register Fig. 56 Structure of EP2 set register Fig. 57 Structure of EP2 control register Fig. 58 Structure of EP2 control register Fig. 59 Structure of EP2 control register Fig. 6 Structure of EP2 interrupt source register Fig. 6 Structure of EP2 byte number register Fig. 62 Structure of EP2 byte number register Fig. 63 Structure of EP2 MAX. packet size register Fig. 64 Structure of EP2 buffer area set register Fig. 65 Structure of EP3 set register Fig. 66 Structure of EP3 control register Fig. 67 Structure of EP3 control register Fig. 68 Structure of EP3 control register Fig. 69 Structure of EP3 interrupt source register... 5 Fig. 7 Structure of EP3 byte number register... 5 Fig. 7 Structure of EP3 byte number register... 5 Fig. 72 Structure of EP3 MAX. packet size register... 5 Fig. 73 Structure of EP3 buffer area set register Fig. 74 Structure of EP stage register Fig. 75 Structure of EP control register Fig. 76 Structure of EP control register Fig. 77 Structure of EP control register Fig. 78 Structure of EP interrupt source register Fig. 79 Structure of EP byte number register Fig. 8 Structure of EP buffer area set register Fig. 8 Structure of EP set register Fig. 82 Structure of EP control register Fig. 83 Structure of EP control register Fig. 84 Structure of EP interrupt source register Fig. 85 Structure of EP byte number register Fig. 86 Structure of EP buffer area set register Fig. 87 HUB functions Fig. 88 HUB function control circuit block diagram Fig. 89 Block diagram of USB down-port peripheral circuits (D+, D-)... 6 Fig. 9 Block diagram of USB down-port peripheral circuits (D2+, D2-)... 6 Fig. 9 USB HUB interrupt control... 6 Fig. 92 HUB related registers Fig. 93 Structure of HUB interrupt source enable register Fig. 94 Structure of HUB interrupt source register Fig. 95 Structure of HUB downstream port index register Rev.2. Oct 5, 26 page 5 of 4 REJ9B338-2

10 List of figures Fig. 96 Structure of DP interrupt source register Fig. 97 Structure of DP control register Fig. 98 Structure of DP status register Fig. 99 Structure of DP2 interrupt source register Fig. Structure of DP2 control register Fig. Structure of DP2 status register Fig. 2 Structure of Downstream port control register Fig. 3 External bus interface... 7 Fig. 4 Data transfer timing of memory channel... 7 Fig. 5 External bus interface (EXB) pin assignment... 7 Fig. 6 Block diagram of external bus interface (EXB) Fig. 7 EXB related registers () Fig. 8 EXB related registers (2) Fig. 9 Structure of EXB interrupt source enable register Fig. Structure of EXB interrupt source register Fig. Structure of EXB index register Fig. 2 Structure of Register window Fig. 3 Structure of Register window Fig. 4 Index[low]; Structure of External I/O configuration register Fig. 5 Index[high]; Structure of External I/O configuration register Fig. 6 Index[low]; Structure of Transmit/Receive buffer register... 8 Fig. 7 Index2[low]; Structure of Memory channel operation mode register... 8 Fig. 8 Index3[low]; Structure of Memory address counter... 8 Fig. 9 Index3[high]; Structure of Memory address counter... 8 Fig. 2 Index4[low]; Structure of End address register... 8 Fig. 2 Index4[high]; Structure of End address register... 8 Fig. 22 CPU channel receiving operation Fig. 23 CPU channel tranmitting operation Fig. 24 Memory channel receiving operation () Fig. 25 Memory channel receiving operation (2) Fig. 26 Memory channel receiving operation (3) Fig. 27 Memory channel tranmitting operation () Fig. 28 Memory channel tranmitting operation (2) Fig. 29 Multichannel RAM timing diagram (no wait) Fig. 3 Multichannel RAM timing diagram (one wait) Fig. 3 Multichannel RAM operation example... 9 Fig. 32 Structure of AD control register... 9 Fig. 33 -bit A/D mode reading... 9 Fig. 34 A/D converter block diagram Fig. 35 Block diagram of Watchdog timer Fig. 36 Structure of Watchdog timer control register Fig. 37 Example of reset circuit Fig. 38 Reset sequence Fig. 39 Block diagram of PLL circuit Fig. 4 Structure of PLL control register Fig. 4 Ceramic resonator or quartz-crystal oscilltor circuit Fig. 42 External clock input circuit Fig. 43 Structure of MISRG Fig. 44 System clock generating circuit block diagram (single-chip mode) Fig. 45 State transitions of clock Fig. 46 Block diagram of built-in flash memory... Fig. 47 Structure of flash memory control register... 2 Rev.2. Oct 5, 26 page 6 of 4 REJ9B338-2

11 List of figures Fig. 48 CPU rewrite mode set/release flowchart... 3 Fig. 49 Program flowchart... 5 Fig. 5 Erase flowchart... 6 Fig. 5 Full status check flowchart and remedial procedure for errors... 8 Fig. 52 Structure of ROM code protect control register... 9 Fig. 53 ID code store addresses... Fig. 54 Pin connection diagram in standard serial I/O mode ()... 4 Fig. 55 Timing for page read... 6 Fig. 56 Timing for reading status register... 6 Fig. 57 Timing for clear status register... 7 Fig. 58 Timing for page program... 7 Fig. 59 Timing for erase all blocks... 8 Fig. 6 Timing for download... 9 Fig. 6 Timing for version information output... 2 Fig. 62 Timing for Boot ROM area output... 2 Fig. 63 Timing for ID check... 2 Fig. 64 ID code storage addresses... 2 Fig. 65 Full status check flowchart and remedial procedure for errors Fig. 66 Example circuit application for standard serial I/O mode Fig. 67 Definition of A/D conversion accuracy Fig. 68 A/D conversion equivalent circuit... 3 Fig. 69 A/D conversion timing chart... 3 CHAPTER 2 APPLICATION Fig. 2.. Memory map of registers related to I/O port... 2 Fig Structure of Port Pi (i = to 6)... 3 Fig Structure of Port Pi direction register (i = to 6)... 3 Fig Structure of Port P pull-up control register... 4 Fig Structure of Port P5 pull-up control register... 4 Fig Memory map of registers related to interrupt... 8 Fig Structure of Interrupt request register... 8 Fig Structure of Interrupt request register Fig Structure of Interrupt control register... 9 Fig Structure of Interrupt control register 2... Fig Structure of Interrupt edge selection register... Fig Interrupt operation diagram... 2 Fig Changes of stack pointer and program counter upon acceptance of interrupt request... 3 Fig Time up to execution of interrupt processing routine... 4 Fig Timing chart after acceptance of interrupt request... 4 Fig Interrupt control diagram... 5 Fig Example of multiple interrupts... 7 Fig Connection example and port P block diagram when using key input interrupt Fig Registers setting related to key input interrupt (corresponding to Figure 2.2.3) Fig Sequence of changing relevant register... 2 Fig Sequence of check of interrupt request bit Fig Memory map of registers related to timers Fig Structure of Prescaler 2, Prescaler X Fig Structure of Timer Fig Structure of Timer 2, Timer X Rev.2. Oct 5, 26 page 7 of 4 REJ9B338-2

12 List of figures Fig Structure of Timer X mode register Fig Structure of Interrupt request register Fig Structure of Interrupt request register Fig Structure of Interrupt control register Fig Structure of Interrupt control register Fig Timers connection and setting of division ratios Fig Related registers setting Fig Control procedure... 3 Fig Peripheral circuit example... 3 Fig Timers connection and setting of division ratios... 3 Fig Related registers setting Fig Control procedure Fig Judgment method of valid/invalid of input pulses Fig Related registers setting Fig Control procedure Fig Timers connection and setting of division ratios Fig Related registers setting Fig Control procedure Fig Memory map of registers related to Serial I/O... 4 Fig Structure of Transmit/Receive buffer register... 4 Fig Structure of Serial I/O status register... 4 Fig Structure of Serial I/O control register Fig Structure of UART control register Fig Structure of Baud rate generator Fig Structure of Interrupt edge selection register Fig Structure of Interrupt request register Fig Structure of Interrupt control register Fig Serial I/O connection examples () Fig Serial I/O connection examples (2) Fig Serial I/O transfer data format Fig Connection diagram Fig Timing chart Fig Registers setting related to transmitting side Fig Registers setting related to receiving side... 5 Fig Control procedure of transmitting side... 5 Fig Control procedure of receiving side Fig Connection diagram Fig Timing chart Fig Registers setting related to Serial I/O Fig Setting of serial I/O transmission data Fig Control procedure of Serial I/O Fig Connection diagram Fig Timing chart Fig Related registers setting Fig Control procedure of master unit Fig Control procedure of slave unit Fig Connection diagram (Communication using UART)... 6 Fig Timing chart (using UART)... 6 Fig Registers setting related to transmitting side Fig Registers setting related to receiving side Fig Control procedure of transmitting side Fig Control procedure of receiving side Fig Sequence of setting serial I/O control register again Rev.2. Oct 5, 26 page 8 of 4 REJ9B338-2

13 List of figures Fig Memory map of registers related to A/D converter Fig Structure of AD control register Fig Structure of AD conversion register Fig Structure of AD conversion register Fig Structure of Interrupt request register Fig Structure of Interrupt control register Fig Connection diagram Fig Related registers setting Fig Control procedure for 8-bit read Fig Control procedure for -bit read Fig Memory map of registers related to watchdog timer Fig Structure of Watchdog timer control register Fig Structure of CPU mode register Fig Watchdog timer connection and division ratio setting... 8 Fig Related registers setting... 8 Fig Control procedure... 8 Fig. 2.. Example of poweron reset circuit Fig RAM backup system Fig. 2.. Memory map of registers related to PLL Fig Structure of USB control register Fig Structure of CPU mode register Fig Structure of PLL control register Fig Block diagram for frequency synthesizer circuit Fig Related registers setting when hardware reset Fig Related registers setting when stop mode Fig Related registers setting when recovery from stop mode Fig Memory map of registers related to clock generating circuit... 9 Fig Structure of USB control register... 9 Fig Structure of CPU mode register... 9 Fig Structure of PLL control register... 9 Fig Related registers setting Fig Related registers setting Fig Memory map of registers related to standby function Fig Structure of MISRG Fig Oscillation stabilizing time at restoration by reset input Fig Execution sequence example at restoration by occurrence of INT interrupt request Fig Reset input time... Fig Memory map of flash memory version for... 3 Fig Memory map of registers related to flash memory... 4 Fig Structure of Flash memory control register... 4 Fig Rewrite example of built-in flash memory in standard serial I/O mode... 7 Fig Connection example in standard serial I/O mode ()... 8 Fig Connection example in standard serial I/O mode (2)... 8 Fig Connection example in standard serial I/O mode (3)... 9 Fig Example of rewrite system for built-in flash memory in CPU rewrite mode... Fig CPU rewrite mode beginning/release flowchart... CHAPTER 3 APPENDIX Fig. 3.. Output switching characteristics measurement circuit... Fig USB output switching characteristics measurement circuit () for D-, D+/D2+ (low-speed), D-/D2- (full-speed)... 3 Rev.2. Oct 5, 26 page 9 of 4 REJ9B338-2

14 List of figures Fig SB output switching characteristics measurement circuit (2) for D+, D+/D2+ (full-speed), D-/D2- (low-speed)... 3 Fig Timing chart ()... 4 Fig Timing chart (2)... 5 Fig Timing chart (3)... 6 Fig Timing chart (4)... 7 Fig Timing chart (5)... 8 Fig Timing chart (6)... 9 Fig Sequence of changing relevant register Fig Sequence of check of interrupt request bit Fig Sequence of setting serial I/O control register again Fig Initialization of processor status register Fig Sequence of PLP instruction execution Fig Stack memory contents after PHP instruction execution Fig Status flag at decimal calculations... 3 Fig Selection of packages Fig Wiring for the RESET pin Fig Wiring for clock I/O pins Fig Wiring for CNVSS pin Fig Wiring for the VPP pin of the flash memory version Fig Bypass capacitor across the VSS line and the VCC line Fig Analog signal line and a resistor and a capacitor Fig Wiring for a large current signal line Fig Wiring of RESET pin Fig VSS pattern on the underside of an oscillator Fig Setup for I/O ports Fig Watchdog timer by software Fig Structure of Port Pi Fig Structure of Port Pi direction register Fig Structure of USB control register... 4 Fig Structure of USB function/hub enable register... 4 Fig Structure of USB function address register... 4 Fig Structure of USB HUB address register... 4 Fig Structure of Frame number register Low... 4 Fig Structure of Frame number register High... 4 Fig Structure of USB interrupt source enable register... 4 Fig Structure of USB interrupt source register Fig Structure of Endpoint index register Fig Structure of EP stage register Fig Structure of EP set register Fig Structure of EP2 set register Fig Structure of EP3 set register Fig Structure of EP stage register Fig Structure of EP set register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP2 control register Fig Structure of EP3 control register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP2 control register Rev.2. Oct 5, 26 page of 4 REJ9B338-2

15 List of figures Fig Structure of EP3 control register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP control register Fig Structure of EP2 control register Fig Structure of EP3 control register Fig Structure of EP control register Fig Structure of EP interrupt source register... 5 Fig Structure of EP interrupt source register Fig Structure of EP2 interrupt source register Fig Structure of EP3 interrupt source register Fig Structure of EP interrupt source register Fig Structure of EP interrupt source register Fig Structure of EP byte number register Fig Structure of EP byte number register Fig Structure of EP2 byte number register Fig Structure of EP3 byte number register Fig Structure of EP byte number register Fig Structure of EP byte number register Fig Structure of EP byte number register Fig Structure of EP2 byte number register Fig Structure of EP3 byte number register Fig Structure of Prescaler2, Prescaler X Fig Structure of Timer Fig Structure of Timer 2, Timer X Fig Structure of Timer X mode register Fig Structure of Transmit/Receive buffer register... 6 Fig Structure of Serial I/O status register... 6 Fig Structure of HUB interrupt source enable register... 6 Fig Structure of HUB interrupt source register... 6 Fig Structure of HUB downstream port index register... 6 Fig Structure of DP interrupt source register Fig Structure of DP2 interrupt source register Fig Structure of DP control register Fig Structure of DP2 control register Fig Structure of DP status register Fig Structure of DP2 status register Fig Structure of EXB interrupt source enable register Fig Structure of EXB interrupt source register Fig Structure of EXB index register Fig Structure of Register window Fig Index[low]; Structure of External I/O configuration register Fig Index[low]; Structure of Transmit/Receive buffer register Fig Index2[low]; Structure of Memory channel operation mode register Fig Index3[low]; Structure of Memory address counter Fig Index4[low]; Structure of End address register Fig Structure of Register window Fig Index[high]; Structure of External I/O configuration register Fig Index3[high]; Structure of Memory address counter... 7 Fig Index4[high]; Structure of End address register... 7 Fig Structure of AD control register... 7 Fig Structure of AD conversion register... 7 Rev.2. Oct 5, 26 page of 4 REJ9B338-2

16 List of figures Fig Structure of AD conversion register Fig Structure of Watchdog timer control register Fig Structure of CPU mode register Fig Structure of Interrupt request register Fig Structure of Interrupt request register Fig Structure of Interrupt control register Fig Structure of Interrupt control register Fig Structure of Serial I/O control register Fig Structure of UART control register Fig Structure of Baud rate generator Fig Structure of EP MAX. packet size register Fig Structure of EP2 MAX. packet size register Fig Structure of EP3 MAX. packet size register Fig Structure of EP buffer area set register Fig Structure of EP buffer area set register Fig Structure of EP2 buffer area set register Fig Structure of EP3 buffer area set register Fig Structure of EP buffer area set register Fig Structure of EP buffer area set register Fig Structure of Port P pull-up control register Fig Structure of Port P5 pull-up control register... 8 Fig Structure of Interrupt edge selection register... 8 Fig Structure of PLL control register... 8 Fig Structure of Downstream port control register... 8 Fig Structure of MISRG Fig Structure of Flash memory control register Rev.2. Oct 5, 26 page 2 of 4 REJ9B338-2

17 List of tables CHAPTER HARDWARE List of tables Table Pin description... 4 Table 2 List of 38K2 group products (L version)... 6 Table 3 Push and pop instructions of accumulator or processor status register... 8 Table 4 Set and clear instructions of each bit of processor status register... 9 Table 5 I/O ports functions... 3 Table 6 Interrupt vector addresses and priority... 7 Table 7 USB interrupt sources... 3 Table 8 HUBinterrupt sources... 6 Table 9 Summary of 38K2 group s flash memory version... Table List of software commands (CPU rewrite mode)... 5 Table Definition of each bit in status register... 7 Table 2 Description of pin function (Standard Serial I/O Mode)... 3 Table 3 Software commands (Standard serial I/O mode)... 5 Table 4 Status register (SRD) Table 5 Status register (SRD) Table 6 Relative formula for a reference voltage VREF of A/D converter and Vref Table 7 Change of AD conversion register during A/D conversion CHAPTER 2 APPLICATION Table 2.. Handling of unused pins... 5 Table 2.2. Interrupt sources, vector addresses and priority of 38K2 group... Table List of interrupt bits according to interrupt source... 6 Table 2.3. CNTR active edge selection bit function Table 2.4. Setting examples of Baud rate generator values and transfer bit rate values. 6 Table 2.. PLL operation mode selection bits setting example Table 2..2 USB clock division ratio selection bits setting example Table 2.2. Example of internal clock f(f) generation using main clock f(xin) Table Example of internal clock f(f) generation using fsyn Table 2.3. State in stop mode Table State in wait mode... Table 2.4. Setting of programmers when parallel programming... 5 Table Connection example to flash programmer when serial programming (4 wires) Table Setting condition in serial I/O mode... 7 CHAPTER 3 APPENDIX Table 3.. Absolute maximum ratings... 2 Table 3..2 Recommended operating conditions (Vcc = 3. to 5.25 V, Vss = V, Ta = 2 to 85 C, unless otherwise noted)... 3 Table 3..3 Recommended operating conditions (Vcc = 3. to 5.25 V, Vss = V, Ta = 2 to 85 C, unless otherwise noted)... 4 Table 3..4 Electrical characteristics () (Vcc = 3. to 5.25 V, Vss = V, Ta = 2 to 85 C, unless otherwise noted)... 5 Table 3..5 Electrical characteristics (2) (Vcc = 3. to 5.25 V, Vss = V, Ta = 2 to 85 C, unless otherwise noted)... 6 Rev.2. Oct 5, 26 page 3 of 4 REJ9B338-2

18 List of tables Table 3..6 A/D Converter characteristics (VCC = 3. to 5.25 V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 7 Table 3..7 Timing requirements () (VCC = 4. to 5.25 V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 8 Table 3..8 Timing requirements (2) (VCC = 3. to 4. V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 8 Table 3..9 Timing requirements of external bus interface (EXB) () (VCC = 4. to 5.25 V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 9 Table 3.. Timing requirements of external bus interface (EXB) (2) (VCC = 3. to 4. V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... Table 3.. Switching characteristics () (VCC = 4. to 5.25 V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... Table 3..2 Switching characteristics (2) (VCC = 3. to 4. V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... Table 3..3 Switching characteristics of external bus interface (EXB) () (VCC = 4. to 5.25 V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 2 Table 3..4 Switching characteristics of external bus interface (EXB) (2) (VCC = 3. to 4. V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 2 Table 3..5 Switching characteristics (USB ports) (VCC = 3. to 5.25 V, VSS = V, Ta = 2 to 85 C, unless otherwise noted)... 3 Rev.2. Oct 5, 26 page 4 of 4 REJ9B338-2

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20 CHAPTER HARDWARE DESCRIPTION FEATURES PIN CONFIGURATION FUNCTIONAL BLOCK PIN DESCRIPTION PART NUMBERING GROUP EXPANSION FUNCTIONAL DESCRIPTION NOTES ON PROGRAMMING NOTES ON USAGE DATA REQUIRED FOR MASK ORDERS FUNCTIONAL DESCRIPTION SUPPLEMENT

21 HARDWARE DESCRIPTION/FEATURES/PIN CONFIGURATION DESCRIPTION The 38K2 group is the 8-bit microcomputer based on the 74 family core technology. The 38K2 group has the USB function, an 8-bit bus interface, a Serial Interface, three 8-bit timers, and an 8-channel -bit A/D converter, which are available for the PC peripheral I/O device. The various microcomputers in the 38K2 group include variations of internal memory size and packaging. For details, refer to the section on part numbering. FEATURES Basic machine-language instructions... 7 The minimum instruction execution time µs (at 8 MHz system clock ) System clock : Reference frequency to internal circuit except USB function Memory size ROM... 6 K to 32 K bytes RAM to 248 bytes Programmable input/output ports Software pull-up resistors Interrupts... 6 sources, 6 vectors USB function (Full-Speed USB2. specification)... 4 endpoints USB HUB function (Full-Speed USB2. specification)... 2 down ports External bus interface... 8-bit channel Timers... 8-bit 3 Watchdog timer... 6-bit Serial Interface Serial I/O... 8-bit (UART or Clock-synchronized) A/D converter... -bit 8 channels (8-bit reading available) LED direct drive port... 4 Clock generating circuit (connect to external ceramic resonator or quartz-crystal oscillator) Power source voltage (L version) System clock/internal clock division mode At 2 MHz/2-divide mode(φ = 6 MHz) to 5.25 V At 8 MHz/Through mode (φ = 8 MHz) to 5.25 V At 6 MHz/Through mode (φ = 6 MHz) to 5.25 V Power dissipation At 5 V power source voltage mw (typ.) (at 8 MHz system clock, in through mode) At 3.3 V power source voltage... 3 mw (typ.) (at 6 MHz system clock, in through mode) Operating temperature range... 2 to 85 C Packages FP... PLQP64GA-A (64-pin 4 4 mm LQFP) HP... PLQP64KB-A (64-pin mm LQFP) PIN CONFIGURATION (TOP VIEW) P25 P24 D2+ D2- D+ D- D- D+ TrON USBVREF DVCC PVCC PVSS P63(LED3) P62(LED2) P6(LED) P4 P3 P2 P P P57 P56 P55 P54 P53 P52/INT P5/CNTR P5/INT P27 P26 P6 P7 P4/EXDREQ/RXD P4/EXDACK/TXD P42/EXTC/SCLK P43/EXA/SRDY P3 P3 P32 P33/EXINT P34/EXCS P35/EXWR P36/EXRD P37/EXA P/DQ/AN P/DQ/AN P2/DQ2/AN2 P3/DQ3/AN3 P4/DQ4/AN4 P5/DQ5/AN5 P6/DQ6/AN6 P7/DQ7/AN7 CNVSS RESET VCCE VREF VSS XIN XOUT VCC CNVSS2 P6(LED) P5 M38K27M4L-XXXFP/HP M38K29F8LFP/HP Fig. Pin configuration of 38K2 group Package type : PLQP64GA-A (64P6U-A)/PLQP64KB-A (64P6Q-A) Rev.2. Oct 5, 26 page 2 of 3 REJ9B338-2

22 HARDWARE FUNCTIONAL BLOCK FUNCTIONAL BLOCK DIAGRAM (Package : PLQP64GA-A/PLQP64KB-A) VCCE PVSS PVCC XIN XOUT VSS VCC RESET CNVSS CNVSS Data bus Clock generating circuit RAM RAM I/F ROM CPU Timer (8) Timer 2 (8) Watchdog timer Timer X (8) CNTR INT INT SI/O EXTBUS (8) USB USB HUB -bit A/D converter (8) P6 (4) P5 (8) P4 (4) P3 (8) P2 (4) P (8) DVCC TrON USBVREF D+ D D-D+D2- D VREF P(8) Fig. 2 Functional block diagram Rev.2. Oct 5, 26 page 3 of 3 REJ9B338-2

23 HARDWARE PIN DESCRIPTION PIN DESCRIPTION Table. Pin description Pin VCC, VSS VCCE CNVSS CNVSS2 VREF DVCC PVCC, PVSS RESET XIN XOUT USBVREF TrON D+, D- D+, D-, D2+, D2- PP7 P/DQ/AN P7/DQ7/AN7 P24P27 P3P32 P33/ExINT P34/ExCS P35/ExWR P36/ExRD P37/ExA P4/ExDREQ/RxD P4/ExDACK/TxD P42/ExTC/SCLK P43/ExA/SRDY P5/INT P5/CNTR P52/INT P53P57 P6P63 Name Power source Analog power source CNVSS CNVSS2 Analog reference voltage input Analog power source Reset input Clock input Clock output USB reference power source USB reference voltage output USB upstream I/O USB downstream I/O I/O port P I/O port P I/O port P2 I/O port P3 I/O port P4 I/O port P5 I/O port P6 Function Function except a port function Apply voltage of 3. V 5.25 V (L version) to VCC, and V to VSS. Power source pin for ports P, P3, P4 and analog circuit. Connect this pin to VCC. This pin controls the operation mode of the chip. Connect this pin to VSS. In the flash memory mode, this pin becoems VPP power source input pin. This pin controls the operation mode of the chip. Connect this pin to VSS. Reference voltage input pin for A/D converter. Power source pin for analog circuit. Connect the DVCC and PVCC pins to VCC, and the PVSS pin to VSS. Reset input pin for active L Input and output pins for the main clock generating circuit. Connect a ceramic resonator or a quartz-crystal oscillator between the XIN and XOUT pins to set the oscillation frequency. If an external clock is used, connect the clock source to the XIN pin and leave the XOUT pin open. Power source pin for USB port circuit. In Vcc = 4. to 5.25 V use the built-in USB reference voltage circuit. In Vcc = 3.6 to 4. V apply 3.3 V power supply from the external because use of the built-in USB reference voltage circuit is prohibited in this voltage range. In Vcc = 3. to 3.6 V connect this pin to VCC because use of the built-in USB reference voltage circuit is prohibited in this voltage range. Output pin to pull-up D+ by.5 kω external resistor. USB upstream I/O port USB input level USB output level output structure USB downstream I/O port USB input level USB output level output structure 8-bit I/O port I/O direction register allows each pin to be individually programmed as either input or output. CMOS compatible input level CMOS 3-state output structure Pull-up control is enabled. 8-bit I/O port I/O direction register allows each pin to be individually programmed as either input or output. CMOS compatible input level CMOS 3-state output structure 4-bit I/O port I/O direction register allows each pin to be individually programmed as either input or output. CMOS compatible input level CMOS 3-state output structure 8-bit I/O port I/O direction register allows each pin to be individually External bus interface function pins programmed as either input or output. CMOS compatible input level CMOS 3-state output structure 4-bit I/O port I/O direction register allows each pin to be individually programmed as either input or output. CMOS compatible input level CMOS 3-state output structure 8-bit I/O port I/O direction register allows each pin to be individually programmed as either input or output. CMOS compatible input level CMOS 3-state output structure Key input pins (key-on wake up interrupt) A/D converter input pins External bus interface function pins Serial I/O function pins External bus interface function pins Interrupt input pin Timer X funciton pin Interrupt input pin 4-bit I/O port; I/O direction register allows each pin to be individually programmed as either input or output.; CMOS compatible input level CMOS 3-state output structure; Output large current for LED drive is enabled. Rev.2. Oct 5, 26 page 4 of 3 REJ9B338-2