Z80 datasheet(6/330 Pages) ZILOG

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Z80 CPU Peripherals

User Manual

UM008101-0601

Table of Contents

Parallel Input/Output (continued)

Timing ................................................192

Output Mode (Mode 0) ................................192

Input Mode (Mode 1) .................................193

Bidirectional Mode (Mode 2) ...........................194

Control Mode (Mode 3) ...............................195

Interrupt Servicing ......................................197

Applications ...........................................199

Extending The Interrupt Daisy-Chain .....................199

I/O Device Interface ..................................200

Control Interface .....................................202

Programming Summary ..................................205

Overview ...........................................205

Load Interrupt Vector .................................205

Set Mode ...........................................205

Set Interrupt Control ..................................206

Serial Input/Output

Overview ..............................................207

Features ...............................................207

Pin Description .........................................210

Pin Functions .......................................210

Bonding Options .....................................213

Architecture ...........................................222

Overview ...........................................222

Data Path ...........................................223

Functional Description ................................226

Asynchronous Operation .................................230

Overview ...........................................230

Asynchronous Transmit ...............................232

Asynchronous Receive ................................235

Synchronous Operation ...................................238

Overview ...........................................238

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