UIB-PC104. User Interface Board. Product manual. 2007, ingenia-cat S.L. 03/08/07 Version 2.0

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1 User Interface Board 0/0/0 Version.0 00, ingenia-cat S.L.

2 Copyright and trademarks Copyright 00 ingenia-cat, S.L. Microchip and dspic are registered marks of Microchip in the USA and other countries. Scope This document applies to hardware revision V.0. Disclaimer This product is provided as is. ingenia-cat expressly disclaims any warranty of any kind, whether express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. In no event shall ingenia-cat be liable for any incidental, special, indirect or consequential damages, lost profits or lost data, harm to your equipment, cost of procurement of substitute goods, technology or services, any claims by third parties (including but not limited to any defense thereof), any claims for indemnity or contribution, or other similar costs.

3 Contents Overview... What is?... Functional description... Introduction... Main socket... Power... Expansion bus... 9 Communications... CAN, RS y RS... SPI, I C... LCDs... Alphanumeric LCD... Graphic LCD... LEDs... Potentiometers... Pushbuttons... Buzzer... Configuration switches...9 Usability matrix...0 How to use interfaces?...0 Appendix A. Mechanical specifications... Appendix B. Schematics...

4 Icons Following is shown the meaning of the icons that reader can find on this manual. Information Provides the user with tips and tricks and other useful data. Warning Provides the user with important information. Omitting this warning may cause the device not to work properly. Critical Warning Provides the user with critical information. Omitting this critical warning may destroy the device.

5 Overview This chapter presents an overview about, its range of applicability and its connectivity options together with icm0. What is? (see Figure ) is a User Interface Board that enables the interaction between humans and control modules connected to its main socket, through input and output sources (widely known as human interfaces). The design of a user interface affects the amount of effort the user must expend to provide input for the system and to interpret the output of the system, and how much effort it takes to learn how to do this. The design of has been performed taken special care of its usability to provide users with an efficient and effective training tool. The board has the following interfaces: Six LEDs x alphanumeric LCD with backlight x graphic LCD with backlight Two potentiometers Twelve pushbuttons One buzzer In addition, the board has a set of connectors dedicated to multiple purposes: A DB9 connector used for communications, a screw connector to power the board and an expansion bus. The board also comes with switches to select the working mode of the board. Figure : Block diagram Image : is a perfect complement for control modules (such as icm0) when facing to initial training and new designs based on them. icm0 communication module is an embeddable module that incorporates a powerful hybrid DSP/MCU (up to 0MIPS) in conjunction with a full set of transceivers (USB, RS, RS and CAN). In addition, the processor is equipped with intra-board communications like SPI or I C. Refer to icm0 Product Manual for further information. Chapter : Overview

In order to use the together with the icm0, just plug the module in the UIB- PC0 socket (see Figure )

Figure : with icm0 has been designed following a stackable architecture (see Figure ) and complying with

It is possible to stack multiple boards to fulfill specific user needs.

drivers and a signal conditioning stage for multiple sensors.

6 In order to use the together with the icm0, just plug the module in the UIB- PC0 socket (see Figure ) and run any of the examples delivered with this product. Figure : with icm0 has been designed following a stackable architecture (see Figure ) and complying with the dimensions (90x9mm) and drills of the PC/0 standard. It is possible to stack multiple boards to fulfill specific user needs. For example, to drive and control an electric motor, you could stack an expansion board with motor drivers and a signal conditioning stage for multiple sensors. Stack Expansion board Expansion board Figure : Stack PC/0 In the following chapter, the reader will find a detailed functional description of each component of the, as well as their relationship with the pins of the main socket. PC/0 Consortium website Chapter : Overview

7 Functional description In this chapter the reader will find a detailed description about all functional blocks of the. Introduction Image shows the physical distribution of functional blocks, and following subchapters go deeply into them. Image : functional diagram Main socket The main socket (M) of is the place to plug the control module (icm0 or similar). The module connected to this socket may access to all peripherals of the board. In this socket there are the power pins (VIN, GND and V), as well as the connections to the signals of the P connector. Chapter : Functional description

8 Note that the main socket has the same pinout as the icm0. Power has been made up with passive and electromechanical components, with the exception of the liquid crystal display (LCD). In order to power it, a terminal connector (P) has been added to the board. The voltage on its pins is rectified and applied to pins VIN (Pin ) and GND (Pin ) of the main socket M (see Figure ). The user must regulate the voltage at VIN to volts and further redirect it to pin V (Pin of M) in order to power the LCD with the correct supply voltage (see Figure ). Never apply a voltage greater than +V between V and GND. In addition, never inverse the polarity between GND and V. Both cases may damage the UIB- PC0 as well as the modules connected to its main socket. U 0 M VIN VOUT C GND C Figure : Adding a voltage regulator to M P DBS0G - D + VIN C 00u C 00n Figure : Main power connector Note that the icm0 has this voltage regulator included. It is capable to deliver V/00mA to V, which is enough to power the. The following table shows the pins of the main socket dedicated to power supply (see the schematics): Main socket (M) Pin VIN V GND,,, Table : Main socket Powering the together with the icm0 is quite straight forward. Just power the ensemble through P (see Image ) or connect the USB cable to icm0 (see Image ). Chapter : Functional description

Remember that icm0 is capable to automatically switch between the different power sources.

simultaneously through USB and main power connectors (see Image ).

flexibility and connectivity. The signal VIN is also present in the expansion bus. The following tables resume the pins used in both connectors.

following a stackable architecture. It uses a 0-pin expansion bus and complies with PC/0 standard for dimensions and drills.

9 Remember that icm0 is capable to automatically switch between the different power sources. Image : Powering through P Image : Powering through USB Image : Powering through P and USB Note that the together with the icm0 may be powered simultaneously through USB and main power connectors (see Image ). The signals V and GND are present in the expansion bus (J) as well as in an additional connector (J) in order to give to the user the maximum flexibility and connectivity. The signal VIN is also present in the expansion bus. The following tables resume the pins used in both connectors. Expansion bus (J) Pin VIN V GND Table : Expansion bus Additional connector (J) Pin V GND Table : Additional connector Expansion bus has been designed following a stackable architecture. It uses a 0-pin expansion bus and complies with PC/0 standard for dimensions and drills. Note that the connector has been reversed upside down with respect to standard PC/0 boards in order to protect the pins when developing in the lab and to provide an easiest access to probes. Figure shows the schematic of the expansion bus. Below the reader can find a detailed list with the connector pin assignment. Chapter : Functional description 9

10 HEADER 0X D0 D D D E0 E E E E E E F/SCK F F F/SDO/SCL F/SDI/SDA F F0 _MCLR V B0 B B/_SS B B B B B B C C C TX RX A B CANH CANL VIN Figure : Expansion bus Interface Pin CANL CANH B A 0 RX TX Table : Interface pin assignment Pin icm0 Pin B0 0 B B/_SS B B B 0 B B B C C 0 C D0 9 D D D E0 E 9 E J 0 Chapter : Functional description

11 E E E E 9 F0 F F/SDI/SDA 9 F/SDO/SCL F F F/SCK Table : icm0 pin assignment Power and reset Pin VIN V GND _MCLR Table : Power and reset pin assignment Be extremely careful when connecting your design to the expansion bus. Keep in mind that other devices are connected, and they may not work properly or could be damaged. Communications The following subchapter is devoted to the with the icm0. together with icm0 allows the user to interface with multiple communications, such as: USB RS RS CAN SPI I C The USB interface is directly accessible in the icm0 module. The interfaces requiring transceivers (i.e., RS, RS and CAN) are accessible through the standard male DB9 connector as well as through the expansion bus. Intra-board interfaces (SPI and I C) are only accessible through the expansion bus. CAN, RS y RS The board includes a DB9 male connector in right angle, which allows for accessing to the RS, RS and CAN signals of the icm0 module. Figure shows the pinout of this connector. Chapter : Functional description

Figure : DB9 male connector (Front view) DB9 male Connector Pin Not connected P RX (Receive, RX, RxD, ) P TX (Transmit, TX, TxD, ) P CANH (CAN High) P GND (Ground) P CANL (CAN Low) P B (Inverting) P

12 Figure : DB9 male connector (Front view) DB9 male Connector Pin Not connected P RX (Receive, RX, RxD, ) P TX (Transmit, TX, TxD, ) P CANH (CAN High) P GND (Ground) P CANL (CAN Low) P B (Inverting) P A (Non inverting) P Not connected P 9 Table : DB9 pinout The board has 0Ω terminator resistors for RS and CAN buses. To activate the termination the proper switch in the component J needs to be enabled. Bus termination Component Position 0Ω resistor between A and B J 0Ω resistor between CANH and CANL J Table : Bus termination RS, RS and CAN communication interfaces are also accessible through the expansion bus. SPI, I C Do not forget to correctly set the jumper J in the icm0 module according to the interface you want to use. Refer to icm0 Product Manual for further information. also allows for accessing to intra-board communications of the icm0 module (SPI and I C). These are accessible exclusively through the expansion bus. Table 9 and Table 0 show the pins of J used for each interface. SPI Connector Pin SDI J 9 SDO J SCK J Chapter : Functional description

_SS J Table 9: SPI interface I C Connector Pin SDA J 9 SCL J Table 0: I C interface Please refer to Microchip s dspic0f0 datasheet for a detailed description of each communication interface.

Here below the user may find the characteristics and interfaces of both displays.

13 _SS J Table 9: SPI interface I C Connector Pin SDA J 9 SCL J Table 0: I C interface Please refer to Microchip s dspic0f0 datasheet for a detailed description of each communication interface. LCDs comes with two liquid crystal displays: a x alphanumeric display and a x graphic display. Each display type has its own dedicated connector and its use is mutually exclusive. Here below the user may find the characteristics and interfaces of both displays. Alphanumeric LCD The alphanumeric CFAH0BTMIJP LCD is a super twist nematic (STN) LCD with rows of chars each with white backlight. The characters are shown with negative yellow impression over a blue background. Figure : Alphanumeric LCD front view Figure 9: Alphanumeric LCD back view The LCD is based on a HD0 controller, which enables both and bit interface with the main module. Refer to CFAH0BTMIJP and to HD0 for further information on alphanumeric LCD. The pins of the main socket used to interface with the display are listed in Table : LCD x DB DB DB DB DB (*) Main socket (M) pin D D D D0 F Chapter : Functional description

DB (*) DB (*) DB0 (*) R/_W READ STROBE ENABLE F F F0 E C B Table : LCD interface (*) Not used in -bit interface mode If you plan to use multiple input/outputs in your designs, it is strongly

Remember that the potentiometer R is also connected to pin B of the icm0. If the LCD is used in your application, it is strongly recommended not using this potentiometer for other purposes.

14 DB (*) DB (*) DB0 (*) R/_W READ STROBE ENABLE F F F0 E C B Table : LCD interface (*) Not used in -bit interface mode If you plan to use multiple input/outputs in your designs, it is strongly recommended to interface the LCD using the -bit mode. This will free the usage of pins F, F, F and F0 in the main socket. The contrast of the LCD may be adjusted by varying the variable resistor R. Remember that the potentiometer R is also connected to pin B of the icm0. If the LCD is used in your application, it is strongly recommended not using this potentiometer for other purposes. The LCD may be activated/deactivated through the appropriate switch in component J. If the application does not require the LCD, it is recommended to disable it. LCDs Component Position LCD enabling/disabling J Graphic LCD Table : Alphanumeric LCD activation/deactivation The graphic LCD is a super twist nematic (STN) LCD of x pixels with green backlight. The characters are shown with positive grey impression over a yellow background. Figure 0: Graphic LCD front view Figure : Graphic LCD back view The graphic LCD, based on two SED0 controllers, allows only for -bit interface mode. Refer to CFAGDYYHN and to SED0 for further information. The pins of the main socket used to interface with the display are listed in the next table: LCD x Main socket (M) pin Chapter : Functional description

15 DB DB DB DB DB DB DB DB0 R/_W READ STROBE ENABLE ENABLE D D D D0 F F F F0 E C B B Table : Graphic LCD interface The contrast of the LCD may be adjusted varying the potentiometer R. Remember that the potentiometer R is also connected to pin B of the main socket. If the LCD is used in your application, it is strongly recommended not using this potentiometer for other purposes. The LCD may be activated/deactivated through the appropriate switch in component J. If the application does not require the LCD, it is recommended to disable it. LCDs Component Position LCD enabling/disabling J Table : Graphic LCD activation/deactivation LEDs The board contains two groups of three LEDs (red, yellow and green) each connected in common cathode. The anode of each LED is connected to a main socket pin through a total resistance of 0Ω. Setting up the pin to logic high value will light the LED connected to that pin. Table shows the pin-leds connections: LED D0 (Red) D (Red) D (Yellow) D (Yellow) D (Green) D (Green) Main socket (M) pin E0 E E E E E Table : LEDs connections The entire group of six LEDs may be activated/deactivated by using the appropriate switch in component J. If the application does not require the LEDs usage, it is recommended to disable them. Chapter : Functional description

16 LEDs Component Position LEDs and buzzer enabling/disabling J Table : LEDs and buzzer activation/deactivation Potentiometers has two variable resistors (potentiometers) directly connected to the pins B and B of the main socket. This allows to the control module plugged into the main socket to perform measures of analog voltages between 0 and V. Table shows the pins of M used for this purpose. Potentiometer R R Main socket (M) pin B B Table : Potentiometer pins The potentiometer R is always enabled and its wiper applies a variable voltage between 0 and V to the pin B. The potentiometer R may be enabled/disabled through the switch of the component J. When activated, its wiper applies a variable voltage between 0 and V to the pin B of the main socket. This potentiometer is also used to adjust the contrast of the LCD modules. R potentiometer Component Position LCD and R enabling/disabling J Table : R potentiometer and LCD activation/deactivation Remember that the potentiometer R is also connected to pin B of the main socket. If the LCD is used in your application, it is strongly recommended not using this potentiometer for other purposes. Pushbuttons contains a pushbutton matrix of four rows and three columns. In order to read the status of each button, the user has to read the entire matrix in a column by column basis (see Figure ). Chapter : Functional description

17 D0 D D D RN K SW0 SW SW B0 B B/_SS SW SW SW RN K SW SW SW SW9 SW0 SW Figure : Pushbutton matrix Pushbutton Row Column SW0 0 0 SW 0 SW 0 SW 0 SW SW SW 0 SW SW SW9 0 SW0 SW Table 9: Pushbuttons Row Main socket (M) pin 0 D0 D D D Table 0: Matrix rows Column Main socket (M) pin 0 B0 B B/_SS Table : Matrix columns Chapter : Functional description

First of all, to read the status of all pushbuttons of the matrix, the user needs to configure the pins corresponding to rows 0 to as digital inputs.

18 First of all, to read the status of all pushbuttons of the matrix, the user needs to configure the pins corresponding to rows 0 to as digital inputs. Then, configure the pins corresponding to columns 0 to as digital outputs. Once this is done, the user may scan the keyboard matrix in a column basis. Figure shows the read process for the first column of the matrix. The user has to force a logic-low in the first column (green) and after doing that, he can read the values in all the columns. The logic-low will be propagated through the activated pushbuttons (blue). Figure : Reading the first column of the matrix This process needs to be repeated for the two remaining columns in order to read the entire matrix. The complete algorithm is as follows: Configure D0, D, D and D as digital inpust Configure B0, B and B/_SS as digital outputs For the columns c = 0.. o Force output to logic-low for this column and logic-high for the remaining. o Read the value for the rows r=0.. Buzzer The contains a buzzer, located just below the alphanumeric LCD. This buzzer is capable to deliver a sound pressure of 0dBs at 0cm. In spite of the fact that its resonant frequency is 000±00Hz, the buzzer may generate tones in the range of KHz to 0KHz. To generate them, the buzzer must be excited at the desired frequency through the B pin of the main socket M. Buzzer PZ Main socket (M) pin B Table : Buzzer pin Chapter : Functional description

19 Remember that B is also used for the as a connection point for R potentiometer s whiper. If the user wants to use this pin for other purposes rather than exciting the buzzer, it is recommended to disable the buzzer by switching off the first position of the configuration switches. Buzzer Component Position Buzzer and LEDs enabling/disabling J Table : Buzzer and LEDs activation/deactivation Be aware that the same switch in J also enables and disables the LEDs. Configuration switches The board contains four configuration switches, grouped into J component. Switches in positions and are used to enable/disable the LEDs, the buzzer, the R and the LCDs respectively. Switches in the third and fourth positions are used to terminate CAN and RS buses with 0Ω resistors. Table shows the purpose of each switch: Switches Component Position LEDs and Buzzer enabling/disabling J LCDs and R enabling/disabling J 0Ω resistor between CANH and CANL J 0Ω resistor between A and B J Table : Switches Chapter : Functional description 9

20 Usability matrix Use and access to interfaces. How to use interfaces? Table shows a list with all hard-wired connections of the main socket of the to each of its peripherals. In the table we can see, for example, that pin B is used for both the buzzer and the Digital to Analog converter. Because of this, it is not possible to use this pin to drive the buzzer and perform A/D readings simultaneously. However, it is possible to time multiplex these operations. The icm0 has also a usability matrix, which completes the matrix presented in this manual when using the together with the icm0. Refer to icm0 Product Manual for further information. 0 Chapter : Usability matrix

21 AD Buzzer Pushbutt. LEDs Alphanum LCD -Bit Alphanum LCD -Bit Graphic LCD B0 X B X B X B B B X B X X X B X X B X X X X C C C X X X D0 X X X X D X X X X D X X X X D X X X X E0 X E X E X E X E X E X E X X X F0 X X F X X F F F X X F X X F Table : Usability matrix Chapter : Usability matrix

22 Appendix A. Mechanical specifications Figure : mechanical specifications Appendix A: Mechanical specifications

23 Appendix B. Schematics HEADER 0X R 0 F0 R 0 F R 0 F/SDI/SDA R 0 F/SDO/SCL R9 0 F R0 0 F R 0 F/SCK R 0 D0 R 0 D R 0 D R 0 D D0 D D D E0 E E E E E E F/SCK F F F/SDO/SCL F/SDI/SDA F F0 _MCLR V B0 B B/_SS B B B B B B C C C TX RX A B CANH CANL VIN CANL CANH B A RX TX 0 9 CANL CANH GND B A GND RX TX B0 F0 B F B/SS F/SDI/SDA B F/SDO/SCL B F B F B F/SCK B D0 9 B D 0 VCC D VIN D GND GND M _MCLR R 0 R 0 C R 0 C R9 0 C R0 0 E R 0 E 9 R 0 E 0 R 0 E R 0 E R 0 E R 0 E0 _MCLR C C C E E E E E E E0 P - J D + VIN 0 9 icm0v. C 00u C 00n V VIN R 0 PIEZO R 0 B0 R 0 B R 0 B/_SS R 0 B R 0 B R0 0 B R9 0 B R 0 B R 0 B J HEADER V CANH A TX B RX CANL P 9 RS Title Figure : schematic (/) Size Document Number Rev A icm.0 Date: Tuesday, January, 00 Sheet of V D0 D D D RN K SW0 SW SW R K B0 B B/_SS B SW SW SW D0 D D D RN RN K 00K V SW SW SW SW9 SW0 SW R K VLCD E E E E E E0 RN K B D D D0 D D D KS RN K CONTRAST PIEZO PZ ABT-0-RC KS J KS VLCD CANL B R 0 R 0 V CANH A SW Title Figure : schematic (/) Size Document Number Rev A Peripherals.0 Date: Tuesday, December, 00 Sheet of Appendix B: Schematics

24 D D D D0 F F F F0 B B E C RN RN RN K 0R K DB DB DB DB DB DB DB DB0 EN EN R/_W RS DB DB DB DB EN RS DB DB DB DB EN RS LCD DB DB DB DB DB DB 0 9 V DB DB DB DB DB0 E R/_W DB0 RS VO R/_W VSS VDD CONTRAST K A VLCD VLCD R 0 CFAH0 R 0 LCD DB DB DB DB 0 9 DB DB DB DB0 E E A0 VO R/_W _VLED VSS VDD CFAG DB DB V DB DB0 EN CONTRAST R/_W VLCD C 00n C 00n Title Figure : schematic (/) Size Document Number Rev A LCD.0 Date: Tuesday, December, 00 Sheet of Appendix B: Schematics

25 References ingenia icm0 ingenia UIB PC0 Examples guide for icm0 Microchip dspic0f0/0 Data Sheet. DS0 Microchip dspic0f Family Reference Manual. DS00 Crystalfontz CFAH0BTMIJP text LCD Data Sheet Crystalfontz CFAGDYYHN graphic LCD Data Sheet Hitachi HD0 Dot Matrix Liquid Crystal Display Controller/Driver Epson SED0 Dot Matrix LCD Driver Data Sheet and Design Guide References

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