Hardware FAQ

This page gathers all kinds of information we know about the PB hardware

CPU

• ARM
• Cirrus Logic EP7312 (Maverick)
• 74MHz
• 2x 16550 UART (serial)
• LCD display controller
• Datasheet
• User's Guide

Microcontroller

• 8052
• 24MHz
• Headunit interfacing
• Datasheet (Winbond W78E516B)

D/A-Converter

• Cirrus Logic CS4341
• 16-bit
• Datasheet

IDE interface controller

• XILINK XC9572XL
• Datasheet
• SDK

Flash ROM

• ST Micro M29W200BB
• 2 MBit
• Automotive grade
• Datasheet

Complex Programmable Logic Device (CPLD)

• XCR5032C
• Datasheet (VQFP package)
• SDK

PCB Layout (Photos)

• Front
• Back
• Keg CX910 Front
• Keg CX910 Back

PCB Jumpers

JP5

• JP5 -- XILINX 9572XL - JTAG
  • Pin 6 > 9572XL Pin 48 - TCLK
  • Pin 8 > 9572XL Pin 83 - TDO
  • Pin 10 > 9572XL Pin 45 - TDI
  • Pin 12 > 9572XL Pin 47 - TMS

JP6

• JP6 -- ARM JTAG (No Connector, just pads)
  • Pin 3 > 7312 Pin 125 - nTRST
  • Pin 5 > 7312 Pin 11 - TDI
  • Pin 7 > 7312 Pin 58 - TMS
  • Pin 9 > 7312 Pin 90 - TCLK
  • Pin 11 > 7312 Pin 22 - TDO

JP8

• JP8 -- ARM UART1 (SERIAL PORT!!!)
  • Pin 1 > board power
  • Pin 2 > pin18 - PB2 [GPIO port B]
  • Pin 3 > some resistor, hard to trace past.
  • Pin 5 > 7312 Pin 32 - TDX[1]
  • Pin 7 > 7312 Pin 36 - RXD[1]
  • Pin 9 > 7312 Pin 37 - DCD
  • Pin 11 > 7312 Pin 38 - DSR
  • Pin 13 > 7312 Pin 35 - CTS

JP9

• JP9 -- XILINX 5032C - JTAG
  • Pin 6 > 5032C Pin 26 - TCLK
  • Pin 8 > 5032C Pin 32 - TDO
  • Pin 10 > 5032C Pin 1 - TDI
  • Pin 12 > 5032C Pin 7 - TMS

For connections to the JP arrays you can use either: Molex 87332-1420 or DigiKey WM18078-ND

DMS Cartridge

• 2.5" Notebook harddisk (9.5mm, "rugged" edition)
• FAT32 filesystem
• 2 Partitions (PHTSYS, PHTDATA)