SC509, v1.0, Description

SC509 is a Z80 PIO card designed for Z50Bus.

The module has the following features:

  • Full Z80 mode 2 interrupt support (IEI/IEO daisy-chain)
  • Tight address decoding
  • Flexible address selection
  • Two 8-bit I/O ports with handshaking
  • Connector on rear edge for ribbon cable
  • Connector on top edge suitable for Dupont cable

Homebrew 8-bit retro computing