SC132, v1.0, Description

SC132 is a module for the RC2014 bus. It houses a Z80 SIO/0 chip and provides two TTL serial ports for use with FTDI style serial adapter cables.

The main features of this module are:

  • Compatible with existing software/firmware for SIO/2
  • Full Z80 mode 2 interrupt support (IEI/IEO daisy-chain)
  • Two TTL serial ports for use with FTDI serial adapter cables
  • Support for two boards in a system at 0x80 and 0x84
  • Source of bus clock (option) to potentially reduce board count
  • On-board clock option to make it independent of the CPU clock
  • Baud rate controllable in software when used with SC102 Z80 CTC

Homebrew 8-bit retro computing