Intel MCS48 User Manual page 14

Chapter 3
The Expanded MCS-48™
System
3.0
Summary
3-1
3.
1
Expansion
of
Program
Memory
3-1
Instruction
Fetch Cycle
3-1
Extended Addressing
3-1
Restoring Port Information
3-2
Expansion Examples
3-2
3.2
Expansion
of
Data
Memory
3-4
Read
Write Cycle 3-4
Addressing
External
Memory
3-5
Examples
of
Data
Memory
Expansion
3-5
3.3 Expansion
of
Input/Output 3-5
I/O Expander
Device
3-6
Expansion
with
Standard
Peripherals 3-7
Combination
Memory
and
I/O Expanders
3-7
Expansion
Examples
3-8
3.4 Multi-Chip
MCS-48™
Systems
3-9
3.5
Bank
Switching
3-10
3.6 Control Signal
Summary
3-11
3.7 Port Characteristics
3-11
Chapter
4
Instruction
Set
4.0 Introduction
4-1
Data
Transfers 4-1
Accumulator Operations
4-2
Register Operations 4-2
Flags
4-2
Branch
Instructions
4-2
Subroutines
4-3
Timer
Instructions
4-3
Control 4-3
Input/Output
Instructions
4-4
4.
1
Instruction
Set Description 4-4
Summary
4-5
Symbols and
Abbreviations 4-8
Alphabetic
Listings
by
Mnemonic
4-9
Chapter 5
Application
Examples
5.0 Introduction
5-1
5.
1
Hardware Examples
5-1
Frequency Reference
Options 5-1
Stand Alone
8048/8049
5-2
Stand Alone 8021 5-3
Stand Alone
8022
5-4
Multiple Interrupt
Sources 5-5
Multiple Prioritized Interrupts
5-6
External
Program
Memory
5-7
Program
Memory
and I/O Expansion 5-8
Data
Memory
and I/O Expansion
5-9
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