BTM-C0-2 Datasheet Issued date: September 20, 206
EnzyTek Bluetooth Low Energy Module BTM-C0-2 OVERVIEW Highly integration BT 4.0 Low Energy module, CSR CSR0 + Memory + Filter + X Tal. Wireless communications module conforming to Bluetooth Version 4.0. UART, SPI interfaces available to various applications. 24 GP ports available for user s application. 3 Analog ports available for user s application. BT Chipset : CSR CSR0 Standards : Bluetooth 4.0 Low Energy Frequency : 2402 ~ 2480 MHz TX Output Power : 4.5 +/- dbm (max) RX Sensitivity : -88 dbm (min) Range : > 0 m (line-of-sight at open space) Memory : EEPROM (52K Bits) Operation Voltage : 3.3V Dimension : 9.05 x 3.46 x 2.2 (max) mm 3 (L W H) Environmental Range : Operation Temperature : 0~+85 o C, Relative humidity : 0~95% 2
System Block Diagram Filter Antenna UART (P[:0]) 6MHz XTAL P[4:3] 32KHz XTAL CSR CSR0 SPI (P[8:5]) P[3:9] EEPROM A[2:0] 3
Pinout Diagram / Dimension Unit : mm Note: Please contact EnzyTek to get the detail footprint of the module to do the PCB design..2mm.93mm RF J38 P_2 WAKE GND WAKE P_3 J2 P[3] P_30 A_2 J3 A[2] J4 A[] J40 J39 J P[2] GND RF J37 P[30] J36 P[29] J35 P_29 A_ P[] J34 P_ A_0 J5 A[0] P[28] J33 P_28 P_4 J6 P[4] P[0] J32 P_0 P_3 J7 P[3] P[27] J3 P_27 9.05 mm P_4 J8 P[4] SPI_MISO J30 SPI_MISO P_5 J9 P[5] SPI_CLK J29 SPI_CLK P_6 J0 P[6] SPI_MOSI J28 SPI_MOSI H HOLE_mm H2 HOLE_mm.2 mm P_7 SPI_EN J J2 P[7] SPI_EN SPI_CSB P[26] J27 J26 SPI_CSB P_26 TP 2.2 mm VDD_IN J3 J4 VDD_IN GND P[8] P[9] P[]/UART_RX P[0]/UART_TX P[20] P[2] P[22] P[23] P[24] P[9] P[25] J25 J24 P_9 P_25 2 0.8MM_PAD PAD Size J5 J6 J7 J8 J9 J20 J2 J22 J23 0.3mm 0.8mm PCB thickness:mm UART_RX UART_TX P_8 P_9 P_20 P_2 P_22 P_23 P_24 0.57mm 0.4mm 0.57mm 0.4mm.93 mm.2 mm.93 mm Top Bottom 3.462 mm 4
I/O PIN LISTING Pin No. Pin Name Type Description J P_2 Bi-directional with programmable strength Programmable input/output line J2 P_3 Bi-directional with programmable strength Programmable input/output line J3 A_2 Analog bi-directional Programmable input/output line J4 A_ Analog bi-directional Programmable input/output line J5 A_0 Analog bi-directional Programmable input/output line J6 P_4 Bi-directional with programmable strength Programmable input/output line J7 P_3 Bi-directional with programmable strength Programmable input/output line J8 P_4 Bi-directional with programmable strength Programmable input/output line J9 P_5 Bi-directional with programmable strength Programmable input/output line J0 P_6 Bi-directional with programmable strength Programmable input/output line J P_7 Bi-directional with programmable strength Programmable input/output line J2 SPI_EN Input with internal pull-down Enable SPI interface for debugging, NC. J3 VDD_IN Power 3.3V input (BTM-BC4E03-2H) J4 GND Power Ground J5 P_8 Bi-directional with programmable strength Programmable input/output line J6 P_9 Bi-directional with programmable strength Programmable input/output line J7 UART_RX (P_) CMOS input with weak internal pull-down UART data input, optional P which is defined by FW. J8 UART_TX (P_2) CMOS output, tri-state, with weak internal UART data output t, optional P which is pull-up defined by FW. J9 P_20 Bi-directional with programmable strength Programmable input/output line 5
J20 P_2 Bi-directional with programmable strength Programmable input/output line J2 P_22 Bi-directional with programmable strength Programmable input/output line J22 P_23 Bi-directional with programmable strength Programmable input/output line J23 P_24 Bi-directional with programmable strength Programmable input/output line J24 P_25 Bi-directional with programmable strength Programmable input/output line J25 P_9 Bi-directional with programmable strength Programmable input/output line J26 P_26 Bi-directional with programmable strength Programmable input/output line J27 SPI_CSB CMOS input with weak internal pull-up Chip select for Synchronous Serial Interface active low J28 SPI_MOSI CMOS input with weak internal pull-down Serial Peripheral Interface data input J29 SPI_CLK CMOS input with weak internal pull-down Serial Peripheral Interface clock J30 SPI_MISO CMOS output, tri-state, with weak internal Serial Peripheral Interface data output pull-down J3 P_27 Bi-directional with programmable strength Programmable input/output line J32 P_0 Bi-directional with programmable strength Programmable input/output line J33 P_28 Bi-directional with programmable strength Programmable input/output line J34 P_ Bi-directional with programmable strength Programmable input/output line J35 P_29 Bi-directional with programmable strength Programmable input/output line J36 P_30 Bi-directional with programmable strength Programmable input/output line J37 WAKE Input has no internal pull-up or pull-down, use external pull-down Input to wake module from hibernate or dormant. J38 GND Power Ground J39 RF Antenna 50 Ohm impedance 6
J40 GND Power Ground 7
Electrical Characteristics Absolute Maximum Ratings : Min. Typ. Max. Unit Supply Voltage - - 3.6 V Storage Temperature -40-85 o C Recommend Operation Conditions : Min. Typ. Max. Unit Supply Voltage.8-3.6 V Operating Temperature 0-85 o C Input/Output Terminal Characteristics : Min. Typ. Max. Unit Digital (UART, P) V IL Input Voltage Low -0.4 - +0.4 V V IH Input Voltage High 0.7xVDD - VDD+0.4 V V OL Output Voltage Low, (I O is 4mA) - - 0.4 V V OH Output Voltage High, (I O is -4mA) 0.75xVDD - - V 8
Radio Characteristics VCC = 3.3V Min Typ Max Limits(BLE SPEC) Unit Output Power Max Power 4 <0 dbm Min Power -20 >-20 dbm Peak to Average 0 <3 dbm Carrier drift Fn -50 50 <=50 khz Drift rate -20 20 <20 khz/50us Max Power -50 50 <50 khz Modulation Characteristic Favg','Fmax' 225 275 225<= <=275 khz F2avg','F2max' 85 >=85 khz F/F2 Ratio 0.8 >=0.8 Sensitivity (-88dBm) Frame Error Rate 0 30.8 <=30.8(-70dBm) % PER Integrity Frame Error Rate 50 65.4 50<= <=65.4 % Max Input Power Frame Error Rate 0 <=30.8(-40dBm) % 9
Current Consumption HW BTM-C0-2 FW version F-Serial_Port-v003 FW configuration Role Gatt Server, device side Service SPS Service Baud Rate 2400 Default Power Scale 0 BT BLE Host iphone 4S (ios5) Current Meter Fluke 89 Min. Avg. Max. Power On No connection 5.93 ua 6.79 ua 39.90uA Power On advertising 202 ua 365 ua 567 ua Connected No Data Transfer 5 ua 69 ua 43 ua Connected TX Temperture/sec (from module to host) Connected TX Temperture/500ms (from module to host) 7 ua 84 ua 20 ua 7 ua 275 ua 23 ua 0
PCB Layout Guide
Application Schematic ANT Antenna TP RF_TEST 2 L NC C 0R/NC L2 NC 50-ohm U 2 3 4 5 6 SW2 TACT Switch TP2 7 LED LED_BLUE 8 SPI_MISO R 0 R2 680 P[5] 9 SPI_CLK 2 R3 680 P[6] 0 SPI_MOSI 3 VBAT SPI_CSB 4 LED2 TP3 2 2 3 J CON4 C2 SW 4 On/Of f Switch LED_RED 00uF 34 33 32 3 30 29 28 27 26 25 24 J2 2 BTM-C0X-2 UART_RX UART_TX CON2 LS SPEAKER 5 6 7 8 9 20 2 22 23 40 39 38 A[] A[0] P[4] P[3] P[4] P[5] P[6] P[7] SPI_EN VDD_IN GND P[] P[28] P[0] P[27] SPI_MISO SPI_CLK SPI_MOSI SPI_CSB P[26] P[9] P[25] 37 36 35 P[8] P[9] P[]/UART_RX P[0]/UART_TX P[20] P[2] P[22] P[23] P[24] GND RF GND Antenna Matching component P[2] P[3] A[2] WAKE P[30] P[29] VBAT:DC3.6V~DC.8V (EEPROM Version) 2