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6529 - SINGLE PORT INTERFACE

Datasheet Summary

Description

The 6529 is a static microprocessor compatible, 8-bit I/O Port with passive output pull-up devices.

Data is written to the port when CS and RNI/ are low.

Data is read from the port when CS is low and RNI/ is high.

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Datasheet Details

Part number 6529
Manufacturer Commodore
File Size 119.09 KB
Description SINGLE PORT INTERFACE
Datasheet download datasheet 6529 Datasheet
Additional preview pages of the 6529 datasheet.

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Full PDF Text Transcription

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,..,commodore ~ aamlcanduct;ar graup [t!][K!A]@~ MPS 6529 SINGLE-PORT INTERFACE 6529 SINGLE PORT INTERFACE DESCRIPTION The 6529 is a static microprocessor compatible, 8-bit I/O Port with passive output pull-up devices. Data is written to the port when CS and RNI/ are low. Data is read from the port when CS is low and RNI/ is high. The passive output pull-ups allow a single bit to act as either an input or an output without I/O mode switching. This device is provided with special circuitry to provide power-on reset. Under normal fast poweron conditions the outputs will initialize in the input high impedance state. With very slow or noisy power-up, there is some possibility the device will initialize with putputs driven low.
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