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MPS6523

Part Number	MPS6523
Manufacturer	Commodore
Description	TRI-PORT INTERFACE
Published	May 10, 2017
Detailed Description	,..,commodore ~ aemlcanduct:or group ~~@© MPS 6523 TRI-PORT INTERFACE 6523 TRI-PORT INTERFACE CONCEPT ... The 6523 TR...
Datasheet	MPS6523 PDF File

Overview

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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 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 ...

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