PWA Test Equipment

  • Teradyne 2286 In-Circuit Tester
     
  • (2) Teradyne Ts86 In-Circuit Testers
     
  • Programs are stored on removable hard drives, which can be put in controlled storage when not in use
     
  • JTAG Testing
    • Boundary scan compliant electrical net testing for shorts and minimal functionality.
Red/Black Processor FLASH Memory, specifically:
  • Boot Firmware including a SW serial number (unique for each terminal)
     
  • Locking Boot Firmware by using sector protect feature of the FLASH device
     
  • Application Software
     
  • NVM portion
     
  • Data contents into each of eight sectors
     
  • The random data can never be reused for a subsequent PWA
     
  • Blowing the security fuses