Table of Contents
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Section 1 Overview........................................................................................
1.1
Overview .....................................................................................................................
1.2
Internal Block Diagram ................................................................................................
1.3
Pin Arrangement and Functions....................................................................................
1.3.1
Pin Arrangement .............................................................................................
1.3.2
Pin Functions...................................................................................................
1.4
Differences between H8S/2194C Series and H8S/2194 Series....................................... 14
Section 2 CPU ............................................................................................... 15
2.1
Overview ..................................................................................................................... 15
2.1.1
Features........................................................................................................... 15
2.1.2
Differences between H8S/2600 CPU and H8S/2000 CPU................................. 16
2.1.3
Differences from H8/300 CPU......................................................................... 16
2.1.4
Differences from H8/300H CPU ...................................................................... 17
2.2
CPU Operating Modes ................................................................................................. 18
2.3
Address Space.............................................................................................................. 23
2.4
Register Configuration ................................................................................................. 24
2.4.1
Overview......................................................................................................... 24
2.4.2
General Registers ............................................................................................ 25
2.4.3
Control Registers............................................................................................. 26
2.4.4
Initial Register Values ..................................................................................... 27
2.5
Data Formats ............................................................................................................... 28
2.5.1
General Register Data Formats ........................................................................ 28
2.5.2
Memory Data Formats ..................................................................................... 30
2.6
Instruction Set............................................................................................................. . 31
2.6.1
Overview......................................................................................................... 31
2.6.2
Instructions and Addressing Modes.................................................................. 32
2.6.3
Table of Instructions Classified by Function..................................................... 33
2.6.4
Basic Instruction Formats ................................................................................ 43
2.6.5
Notes on Use of Bit-Manipulation Instructions................................................. 44
2.7
Addressing Modes and Effective Address Calculation .................................................. 45
2.7.1
Addressing Mode ............................................................................................ 45
2.7.2
Effective Address Calculation.......................................................................... 48
2.8
Processing States.......................................................................................................... 52
2.8.1
Overview......................................................................................................... 52
2.8.2
Reset State....................................................................................................... 53
2.8.3
Exception-Handling State ................................................................................ 54
2.8.4
Program Execution State.................................................................................. 55
2.8.5
Power-Down State........................................................................................... 56
Contents
Rev. 2.0, 11/00, page i of xviii
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