PIA

Catalogue numbers

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

Pinout


pinout
Vssground
PA0-PA3bidirectional port A joy 1
PA4-PB7bidirectional port A joy 2
PB0-PB7bidirectional port B various uses
CA1port A control 1 - SIO Proceed
CA2port A control 2 - SIO Motor control
CB1port B control 1 - SIO Interrupt
CB2port B control 2 - SIO Command
Vcc+5V power
R/Wread/write
CS0chip Select
/CS2chip Select
CS1chip Select
Ø2phase 2 clock input
D0-D7data bus
RSTchip reset
A0-A1address bus
/IRQA-/IRQBport A and B interrupt lines
. Back (c) 1998-2004 Jindroush Last modified: Mon Jun 3 22:46:58 2002