v -'-'commodore aamicanduct;or group ~~@@
6525 TRI·PORT INTERFACE
MPS
6525
TRI-PORT INTERFACE
CONCEPT ...
The 6525 TRI·PORT Interface (TPI) is designed to simplify the implementation of complex I/O operations in microcomputer systems. It combines two dedicated a·bit 110 ports with a third a-bit port programmable for either normal 110 operation or priority ...