Commodore 6523
The 6523 TRI-PORT Interface (TPI) is designed to simplitythe implementation of complex I/O operations in microcomputer systems. It has three dedicated 8-bit I/O ports which provide 24 individually programmable I/O lines.| Part No. | 6523 |
|---|---|
| Datasheet | 6523 Download |
| Manufacturer | Commodore |
| Description | TRI-PORT INTERFACE |
| Buy | Stock & Price |
FEATURES
:● 24 individually programmable I/O lines
● Completely static operation
● Two TIL Drive Capability
● 6 directly addressable registers
● 1 MHz, 2M Hz and 3MHz operation 6523 REGISTERS *000 001 010 011 100 101 11 0 111 RO PRA - Port Register A R1 PRB - Port Register B R2 PRC - Port Register C R3 DDRA- Data Direction Register A R4 DDRB - Data Direction Register B R5 DDRC - Data Direction Register Illegal States Illegal States *NOTE: RS2, RS1, RSO respectively ORDER NUMBER: MXS6523 -r- '-- SPEED RANGE =NO SUFFIX 450 ns A =225 ns 8 = 165 ns l _ _ _ _ _ PACKAGE DESIGNATOR C=CERAMIC P=PLASTIC 2-66 6523 PIN CONFIGURATION Vss PAO PA1 PA2 PA3
