CZ6502 SBC6502 VIA 6522

6522 VIA expansion card.

This card can be used with either the CZ6502 computer or the SBC6502-32k SBC. It is designed to plug into a backplane (CZ6502 backplane) but can if built with a female 40 pin connector, connect directly to the CZ6502. If offers full access to the 6522 PIA chip as used in the BBC micro.

You can program upto 16 i/o linea as input or output. The B channel also have LED's connected to act as a quick test of the port etc.