Michael Böhmer, Germany
A2000, A3000, A4000
Zorro II
Autoconfig ID
5001 / 15
    I2C controller
  • I2C = Inter IC Communication, a standard for coupling many different chips together, where a master controls many other slave chips
  • a do it yourself hardware project: schematics, building instructions and driver software are all published, GAL sources can be obtained freely from the author
  • PCF8584 bus controller
  • bus speed can be chosen to be 1.5, 11, 45 or 90 kHz
  • battery backed up clock which optionally can be used as a replacement for the motherboard RTC chips
  • VMC compatible expansion connector for optional modules like the Hypercom 3i
  • DB9 connector