PIA

## Catalogue numbers

    CO14795
    CO12298
    sometimes no Atari number, Hitachi HD68B21, GTEu G65SC21P

## Pinout

Vss | ground
PA0-PA3 | bidirectional port A joy 1
PA4-PB7 | bidirectional port A joy 2
PB0-PB7 | bidirectional port B various uses
CA1 | port A control 1 - SIO Proceed
CA2 | port A control 2 - SIO Motor control
CB1 | port B control 1 - SIO Interrupt
CB2 | port B control 2 - SIO Command
Vcc | +5V power
R/W | read/write
CS0 | chip Select
/CS2 | chip Select
CS1 | chip Select
Ø2 | phase 2 clock input
D0-D7 | data bus
RST | chip reset
A0-A1 | address bus
/IRQA-/IRQB | port A and B interrupt lines

Back (c) 1998-2004 Jindroush Last modified: Mon Jun 3 22:46:58 2002