SMART Technologies SMART Response(TM) XE Circuit Board Pads/Pinouts Document Version 2017-08-03T03:02Z Markings On Case - Model No: 03-00182, FCCID: QCISRP03, ID: 4302A-SRP03 Markings On Board - 25-00188-20-A0 ======================================================= ------------------------------------------------------- Test Points (grouped, external access available through battery compartment) TCK top left if oriented with SW1 on top of board Layout: TCK TMS TDO TDI RST MISO SCK GND VCC MOSI TCK - ATmega128RFA1 pin 3 [PF4:ADC4:TCK] SCK - ATmega128RFA1 pin 37 [PB1:SCK:PCINT1] TMS - ATmega128RFA1 pin 4 [PF5:ADC5:TMS] GND - GND RST - ATmega128RFA1 pin 12 [RSTN] TDO - ATmega128RFA1 pin 5 [PF6:ADC6:TDO] VCC - VCC (3.3V) MISO - ATmega128RFA1 pin 39 [PB3:MISO:PDO:PCINT3] TDI - ATmega128RFA1 pin 6 [PF7:ADC7:TDI] MOSI - ATmega128RFA1 pin 38 [PB2:MOSI:PDI:PCINT2] ------------------------------------------------------- Test Points (not in above group) SCL, SDA, CLK0 SCL - ATMega128RFA1 pin 25 [PD0:SCL:INT0], U5 pin 6 SDA - ATMega128RFA1 pin 26 [PD1:SDA:INT1], U5 pin 7 CLK0 - ATmega128RFA1 pin 53 [PE7:ICP3:INT7:CLKO], R29 to Display pin 6 ------------------------------------------------------- ISP Pads Pin 1 top left if oriented with SW1 on top of board Layout: 1 2 3 4 5 6 1 - MISO, ATmega128RFA1 pin 39 [PB3:MISO:PDO:PCINT3] 2 - VCC (3.3V) 3 - SCK, ATmega128RFA1 pin 37 [PB1:SCK:PCINT1] 4 - MOSI, ATmega128RFA1 pin 38 [PB2:MOSI:PDI:PCINT2] 5 - RST, ATmega128RFA1 pin 12 [RSTN] 6 - GND ------------------------------------------------------- JTAG Pads Pin 1 bottom left if oriented with SW1 on top of board Layout: 2 4 6 8 10 1 3 5 7 9 1 - TCK, ATmega128RFA1 pin 3 [PF4:ADC4:TCK] 2 - GND 3 - TDO, ATmega128RFA1 pin 5 [PF6:ADC6:TDO] 4 - VCC (3.3V) 5 - TMS, ATmega128RFA1 pin 4 [PF5:ADC5:TMS] 6 - RST, ATmega128RFA1 pin 12 [RSTN] 7 - 8 - 9 - TDI, ATmega128RFA1 pin 6 [PF7:ADC7:TDI] 10 - GND ------------------------------------------------------- RS232 pads Pin 1 top left if oriented with SW1 on top of board Layout: 1 2 3 4 5 6 1 - U6 pin 13 2 - R36 to GND, U6 pin 1 3 - U6 pin 8 4 - R35 to VCC (3.3V) 5 - GND, RS232 pad 6 6 - GND, RS232 pad 5 ------------------------------------------------------- Keyboard Logical Layout (SK# are screen keys: top to bottom 1-5 on left, 6-10 on right): ROW1|ROW2|ROW3|ROW4|ROW5|ROW6|ROW7|ROW8|ROW9|ROW10 COL1 1| 2| 3| 4| 5| 6| 7| 8| 9| 10 COL2 Q| W| E| R| T| Y| U| I| O| P COL3 A| S| D| F| G| H| J| K| L| Bksp COL4 Shft| Z| X| C| V| B| N| M|Entr| Up COL5 Sym|Frac|Root| Exp| Spc| ,| .|Down|Left|Right COL6 SK1| SK2| SK3| SK4| SK5| SK6| SK7| SK8| SK9| SK10 COL1 - ATmega128RFA1 pin 26 [PD1:SDA:INT1], ATmega128RFA1 pin 52 [PE6:T3:INT6] COL2 - ATmega128RFA1 pin 43 [PB7:OC0A:OC1C:PCINT7] COL3 - ATmega128RFA1 pin 42 [PB6:OC1B:PCINT6] COL4 - ATmega128RFA1 pin 41 [PB5:OC1A:PCINT5] COL5 - ATmega128RFA1 pin 40 [PB4:OC2A:PCINT4] COL6 - ATmega128RFA1 pin 46 [PE0:RXD0:PCINT8], U6 (unpopulated) pin 9 ROW1 - ATmega128RFA1 pin 50 [PE4:OC3B:INT4] ROW2 - ATmega128RFA1 pin 64 [PF1:ADC1] ROW3 - ATmega128RFA1 pin 2 [PF3:ADC3:DIG4] ROW4 - ATmega128RFA1 pin48 [PE2:XCK0:AIN0] ROW5 - ATmega128RFA1 pin 47 [PE1:TXD0], U6 (unpopulated) pin 11 ROW6 - ATmega128RFA1 pin 32 [PD7:T0] ROW7 - ATmega128RFA1 pin 14 [PG0:DIG3] ROW8 - ATmega128RFA1 pin 19 [PG5:OC0B] ROW9 - ATmega128RFA1 pin 30 [PD5:XCK1] ROW10 - ATmega128RFA1 pin 29 [PD4:ICP1] ------------------------------------------------------- Display (P3) marked "S028HN118A VER:A1" reportedly an ST7586S display chip driving a 384x160 LCD display Pin 1 on right if oriented with SW1 on top of board 1 - VPP pad 2 - ATmega128RFA1 pin 37 [PB1:SCK:PCINT1], ISP pad 3, Test Point SCK, U2 pin 6 3 - ATmega128RFA1 pin 38 [PB2:MOSI:PDI:PCINT2], ISP pad 4, Test Point MOSI, U2 pin 5 4 - R31 to ATmega128RFA1 pin 31 [PD6:T1] 5 - R30 to ATmega128RFA1 pin 16 [PG2:AMR] 6 - R29 to ATmega128RFA1 pin 53 [PE7:ICP3:INT7:CLKO], CLK0 pad 7 - EXT pad 8 - VCC 9 - C7 to C23 to Vin (6V) 10 - GND 11 - GND 12 - VCC 13 - C27 to C23 to Vin (6V) 14 - C6 to Display pin 15 15 - C6 to Display pin 14 16 - C28 to C23 to Vin (6V) ------------------------------------------------------- SW1 (Power Switch), Normally Open Left and Right if oriented with SW1 on top of board L - GND R - ATmega128RFA1 pin 27 [PD2:RXD1:INT2], Z1 pin 1 ------------------------------------------------------- Speaker (unpopulated) Pin 1 top if oriented with SW1 on top of board) 1 - Speaker pin 2, Q1 (unpopulated) pin 2, R39 (unpopulated) to GND 2 - Speaker pin 1, Q1 (unpopulated) pin 2, R39 (unpopulated) to GND 3 - Speaker pin 4, R10 (unpopulated) to Q1 pin 1 + ATmega pin 49, R9 (unpopulated) to ?, C18 to GND 4 - Speaker pin 3, D1 (unpopulated) pin 3 (D1 pin 1 to GND) ------------------------------------------------------- U1 (Marked "G4J") possible high-frequency (RF) SPDT switch uPG2214TB Pin 1 top right if oriented with SW1 on top of board 1 - C39 to ANT1 (GND when board unpowered) 2 - GND 3 - C16 to ANT2 4 - ATmega pin 15, C35 to GND 5 - unmarked Capactior (between U1 and C36) to C36 to GND - theoretically connected to ATMega pins 8 + 9 via a Balun, see ATmega datasheet section 9.8.3.2 6 - ATmega pin 1, unlabeled capacitor to GND ------------------------------------------------------- U2 (Marked "ATMLH028 Z7H1164A") possible Two-Wire Serial EEPROM Atmel AT24C? Pin 1 top right if oriented with SW1 on top of board 1 - ATmega128RFA1 pin 28 [PD3:TXD1:INT3], CS_Flash pad 2 - ATmega128RFA1 pin 39 [PB3:MISO:PDO:PCINT3], ISP pad 1, Test Point MISO 3 - R17 to VCC (3.3V) 4 - GND 5 - ATmega128RFA1 pin 38 [PB2:MOSI:PDI:PCINT2], ISP pad 4, Test Point MOSI 6 - ATmega128RFA1 pin 37 [PB1:SCK:PCINT1], ISP pad 3, Test Point SCK 7 - R16 to C53 to GND 8 - VCC (3.3V) ------------------------------------------------------- U4 (Marked "PHNI") 5-pin package, possible TPS62203DBV 3.3V DC-DC converter Pin 1 bottom left if oriented with SW1 on top of board Layout: 5 4 1 2 3 1 - Vin (battery pack +, 6VDC nominal) 2 - C23 to Vin (battery pack +, 6VDC nominal) 3 - Vin (battery pack +, 6VDC nominal) 4 - L3 to VCC (3.3V) 5 - VCC (3.3V) ------------------------------------------------------- U5 10-pin package outline Pin 1 top left if oriented with SW1 on top of board 1 - GND 2 - 3 - R13 (unpopulated) to U5 pin 5 + atmega pin 51 4 - GND 5 - ATmega128RFA1 pin 51 [PE5:OC3C:INT5], R13 (unpopulated) to U5 pin 3 6 - ATMega128RFA1 pin 25 [PD0:SCL:INT0], SCL test point, R7 (4.7 KOhm) to VCC 7 - ATMega128RFA1 pin 26 [PD1:SDA:INT1], ATmega128RFA1 pin 52 [PE6:T3:INT6], SDA test point 8 - GND 9 - VCC (3.3V), C19 to GND 10 - ------------------------------------------------------- U6 16-pin package outline (possibly intended to be a MAX3232 chip, but some pins are mixed up?) Pin 1 bottom right if oriented with SW1 on top of board 1 - R36 to GND, RS232 pad 2 2 - C33 to pin 4 3 - C41 to GND 4 - C33 to pin 2 5 - C42 to pin 6 6 - C42 to pin 5 7 - C43 to GND 8 - RS232 pad 3 9 - ATmega128RFA1 pin 46 [PE0:RXD0:PCINT8] *** Also used for Keyboard COL6 10 - not connected ? 11 - ATmega128RFA1 pin 47 [PE1:TXD0] *** Also used for Keyboard ROW5 12 - pin 16 13 - RS232 pad 1 14 - C30 to pin 15 15 - C30 to pin 14 16 - pin 12, R37 to VCC (3.3V) ------------------------------------------------------- U3 ATmega128RFA1 Pin 1 top right if oriented with SW1 on top of board 1 - [PF2:ADC2:DIG2] - U1 pin 6 (possible RF switch) 2 - [PF3:ADC3:DIG4] - Keyboard ROW3 3 - [PF4:ADC4:TCK] - JTAG Pad 1, Test Point TCK 4 - [PF5:ADC5:TMS] - JTAG Pad 5, Test Point TMS 5 - [PF6:ADC6:TDO] - JTAG Pad 3, Test Point TDO 6 - [PF7:ADC7:TDI] - JTAG Pad 9, Test Point TDI 7 - [AVSS_RFP] - GND 8 - [RFP] - theoretically connected to Balun to antenna switch, see ATmega datasheet section 9.8.3.2 9 - [RFN] - theoretically connected to Balun to antenna switch, see ATmega datasheet section 9.8.3.2 10 - [AVSS_RFN] - GND 11 - [TST] - 12 - [RSTN] - ISP Pad 5, JTAG Pad 6, Test Point RST 13 - [RSTON] - 14 - [PG0:DIG3] - Keyboard ROW7 15 - [PG1:DIG1] - U1 pin 4 (possible RF switch) 16 - [PG2:AMR] - Display pin 5 17 - [PG3:TOSC2] - Y2 (32.768KHz crystal) 18 - [PG4:TOSC1] - Y2 (32.768KHz crystal) 19 - [PG5:OC0B] - Keyboard ROW8 20 - [DVSS:DSVSS] - GND 21 - [DVDD] - 22 - [DVDD] - 23 - [DEVDD] - VCC (3.3V) 24 - [DVSS] - GND 25 - [PD0:SCL:INT0] - U5 (unpopulated) pin 6, Test Point SCL 26 - [PD1:SDA:INT1] - Keyboard COL1, U5 (unpopulated) pin 7, Test Point SDA *** Also pin 52 27 - [PD2:RXD1:INT2] - SW1 Right Side (SW1 NO, closes to GND) 28 - [PD3:TXD1:INT3] - U2 pin 1, CS_Flash 29 - [PD4:ICP1] - Keyboard ROW10 30 - [PD5:XCK1] - Keyboard ROW9 31 - [PD6:T1] - Display pin 4 32 - [PD7:T0] - Keyboard ROW6 33 - [CLKI] - 34 - [DEVDD] - VCC (3.3V) 35 - [DVSS] - GND 36 - [PB0:SSN:PCINT0] - 37 - [PB1:SCK:PCINT1] - Display pin 2, ISP Pad 3, U2 Pin 6, Test Point SCK 38 - [PB2:MOSI:PDI:PCINT2] - Display Pin 3, ISP Pad 4, U2 Pin 5, Test Point MOSI 39 - [PB3:MISO:PDO:PCINT3] - ISP Pad 1, U2 pin 2, Test Point MISO 40 - [PB4:OC2A:PCINT4] - Keyboard COL5 41 - [PB5:OC1A:PCINT5] - Keyboard COL4 42 - [PB6:OC1B:PCINT6] - Keyboard COL3 43 - [PB7:OC0A:OC1C:PCINT7] - Keyboard COL2 44 - [DEVDD] - VCC (3.3V) 45 - [DVSS] - GND 46 - [PE0:RXD0:PCINT8] - Keyboard COL6, U6 (unpopulated) pin 9 47 - [PE1:TXD0] - Keyboard ROW5, U6 (unpopulated) pin 11 48 - [PE2:XCK0:AIN0] - Keyboard ROW4 49 - [PE3:OC3A:AIN1] - Q1 pin 1 (unpopulated transistor to drive Speaker pins 1,2), R10 (unpopulated) to Speaker pins 3,4 50 - [PE4:OC3B:INT4] - Keyboard ROW1 51 - [PE5:OC3C:INT5] - U5 (unpopulated) pin 5 52 - [PE6:T3:INT6] - Keyboard COL1 *** Also pin 26 53 - [PE7:ICP3:INT7:CLKO] - Display pin 6, Test Point CLK0 54 - [DEVDD] - VCC (3.3V) 55 - [DVSS] - GND 56 - [XTAL2] - Y1 (marked T160 MSF9, 16MHz crystal?) 57 - [XTAL1] - Y1 (marked T160 MSF9, 16MHz crystal?) 58 - [AVSS:ASVSS] - GND 59 - [EVDD] - VCC (3.3V) 60 - [AVDD] - 61 - [AVSS] - GND 62 - [AREF] - C17 (disconnected) to GND 63 - [PF0:ADC0] - to Battery Voltage Divider (Vin - R4 (825 KOhm) - Pin63 - R5 (300 KOhm) - GND) 64 - [PF1:ADC1] - Keyboard ROW2 -------------------------------------------------------