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devices:srxe:handheld:pinouts [2023/05/29 12:11] jkentdevices:srxe:handheld:pinouts [2023/05/29 12:18] (current) jkent
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 [[https://pastebin.com/raw/uFfBCQDG|Original]] [[https://pastebin.com/raw/uFfBCQDG|Original]]
  
--------------------------------------------------------+===== Test Points =====
  
-**Test Points** 
  
 TCK top left if oriented with SW1 on top of board TCK top left if oriented with SW1 on top of board
Line 31: Line 30:
   CLK0 - ATmega128RFA1 pin 53 [PE7:ICP3:INT7:CLKO], R29 to Display pin 6   CLK0 - ATmega128RFA1 pin 53 [PE7:ICP3:INT7:CLKO], R29 to Display pin 6
  
-------------------------------------------------------- +===== ISP Pads =====
- +
-**ISP Pads**+
  
 Pin 1 top left if oriented with SW1 on top of board Pin 1 top left if oriented with SW1 on top of board
Line 50: Line 47:
   - GND   - GND
  
-------------------------------------------------------- +===== JTAG Pads =====
- +
-**JTAG Pads**+
    
 Pin 1 bottom left if oriented with SW1 on top of board Pin 1 bottom left if oriented with SW1 on top of board
Line 72: Line 67:
   - GND   - GND
  
-------------------------------------------------------- +===== RS232 pads =====
- +
-**RS232 pads**+
  
 Pin 1 top left if oriented with SW1 on top of board Pin 1 top left if oriented with SW1 on top of board
Line 91: Line 84:
   - GND, RS232 pad 5   - GND, RS232 pad 5
  
-------------------------------------------------------- +===== Keyboard =====
- +
-**Keyboard**+
  
 Logical Layout (SK# are screen keys: top to bottom 1-5 on left, 6-10 on right): Logical Layout (SK# are screen keys: top to bottom 1-5 on left, 6-10 on right):
Line 123: Line 114:
   ROW10 - ATmega128RFA1 pin 29 [PD4:ICP1]   ROW10 - ATmega128RFA1 pin 29 [PD4:ICP1]
  
--------------------------------------------------------+===== Display =====
  
-**Display** (P3) marked "S028HN118A VER:A1" reportedly an ST7586S display chip driving a 384x160 LCD 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 Pin 1 on right if oriented with SW1 on top of board
Line 146: Line 137:
   - C28 to C23 to Vin (6V)   - C28 to C23 to Vin (6V)
  
--------------------------------------------------------+===== SW1 =====
  
-**SW1** (Power Switch), Normally Open+(Power Switch), Normally Open
  
 Left and Right if oriented with SW1 on top of board Left and Right if oriented with SW1 on top of board
Line 155: Line 146:
   R - ATmega128RFA1 pin 27 [PD2:RXD1:INT2], Z1 pin 1   R - ATmega128RFA1 pin 27 [PD2:RXD1:INT2], Z1 pin 1
  
--------------------------------------------------------+===== Speaker =====
  
-**Speaker** (unpopulated)+(unpopulated)
  
 Pin 1 top if oriented with SW1 on top of board) Pin 1 top if oriented with SW1 on top of board)
Line 166: Line 157:
   - Speaker pin 3, D1 (unpopulated) pin 3 (D1 pin 1 to GND)   - Speaker pin 3, D1 (unpopulated) pin 3 (D1 pin 1 to GND)
  
--------------------------------------------------------+===== U1 RF Switch =====
  
-**U1** (Marked "G4J") possible high-frequency (RF) SPDT switch uPG2214TB+(Marked "G4J") possible high-frequency (RF) SPDT switch uPG2214TB
  
 Pin 1 top right if oriented with SW1 on top of board Pin 1 top right if oriented with SW1 on top of board
Line 179: Line 170:
   - ATmega pin 1, unlabeled capacitor to GND   - ATmega pin 1, unlabeled capacitor to GND
  
--------------------------------------------------------+===== U2 SPI Flash =====
  
-**U2** (Marked "ATMLH028 Z7H1164A") possible Two-Wire Serial EEPROM Atmel AT24C?+(Marked "ATMLH028 Z7H1164A") possible Two-Wire Serial EEPROM Atmel AT24C?
  
 Pin 1 top right if oriented with SW1 on top of board Pin 1 top right if oriented with SW1 on top of board
Line 194: Line 185:
   - VCC (3.3V)    - VCC (3.3V) 
  
-------------------------------------------------------- +===== U3 - ATmega128RFA1 =====
- +
-**U3** ATmega128RFA1+
  
 Pin 1 top right if oriented with SW1 on top of board Pin 1 top right if oriented with SW1 on top of board
Line 265: Line 254:
   - [PF1:ADC1] - Keyboard ROW2   - [PF1:ADC1] - Keyboard ROW2
  
--------------------------------------------------------+===== U4 DC-DC converter =====
  
-**U4** (Marked "PHNI") 5-pin package, possible TPS62203DBV 3.3V DC-DC converter+(Marked "PHNI") 5-pin package, possible TPS62203DBV 3.3V DC-DC converter
  
 Pin 1 bottom left if oriented with SW1 on top of board Pin 1 bottom left if oriented with SW1 on top of board
Line 282: Line 271:
   - VCC (3.3V)   - VCC (3.3V)
  
--------------------------------------------------------+===== U5 =====
  
-**U5** 10-pin package outline+10-pin package outline
  
 Pin 1 top left if oriented with SW1 on top of board Pin 1 top left if oriented with SW1 on top of board
Line 299: Line 288:
   - NC   - NC
  
--------------------------------------------------------+===== U6 =====
  
-**U6** 16-pin package outline (possibly intended to be a MAX3232 chip, but some pins are mixed up?)+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 Pin 1 bottom right if oriented with SW1 on top of board
devices/srxe/handheld/pinouts.1685362272.txt.gz · Last modified: by jkent