ZiLOG Z8 Technical Manual

Chapter 7. External Interface (Z8681, Z8682)
7.1 Introduction
7.2 Pin Descriptions
7.3 Configuring Port 0
7.3.1 Z8681 Initialization ••
7.3.2 Z8682 Initialization.
7.3.3 Read/Write Operations
7.4 External Stacks
7.5 Data Memory ••
7.6 Bus Operation.
7.7
7.8
7.9
7.10
7.6.1 Address Strobe (AS)
7.6.2 Data Strobe (OS)
Extended Bus Timing
Instruction Timing
Z8681
Reset Conditions
Z8682 Reset
Conditions
Chapter 8. Reset and Clock
8.1 Reset •••••••••
8.2 Clock ••••••••••••••••
8.3 Power-down Operation
8.4 Test Mode •••• " •
8.4.1
8.4.2
Interrupt Testing
ROMless Operation
Chapter 9. I/O Ports
9.1
9.2
9.3
Introduction
9.1.1 Mode Registers ••••••
9.1.2 Input and Output Registers.
Port 0
9.2.1 Read/Write Operations
9.2.2 Handshake Operation
Port 1
9.3.1 Read/Write Operations
9.3.2 Handshake Operation
• 7-1
• • 7-1
• 7-2
• 7-2
• 7-3
• 7-4
•.•• 7-4
• 7-4
• 7-5
• 7-5
• 7-5
7-5
7-6
7-6
7-6
• • 8-1
• • 8-2
• 8-3
• 8-4
• • 8-5
• 8-5
9-1
• 9-1
• • 9-1
9-1
• 9-3
• 9-3
9-4
• 9-4
• • 9-4
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8
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ZiLOG Z8 Specifications

General

Brand	ZiLOG
Model	Z8
Category	Desktop
Language	English