Description | ,..,commodore ~ aemlcanduct:or group ~~@© MPS 6523 TRI-PORT INTERFACE 6523 TRI-PORT INTERFACE CONCEPT ... 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. FEATURES: • 24 individually programmable I/O lines • Completely stati... |
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 Direc... |
Datasheet | 6523 Datasheet - 192.57KB |