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Section 1
Overview
1.1
Overview............................................................................................................................
1.2
Internal Block Diagram......................................................................................................
1.3
Pin Description...................................................................................................................
1.3.1
Pin Arrangement ...................................................................................................
1.3.2
Pin Functions in Each Operating Mode................................................................
1.3.3
Pin Functions ........................................................................................................ 14
Section 2
CPU
2.1
Overview............................................................................................................................ 21
2.1.1
Features ................................................................................................................. 21
2.1.2
Differences between H8S/2600 CPU and H8S/2000 CPU................................... 22
2.1.3
Differences from H8/300 CPU ............................................................................. 23
2.1.4
Differences from H8/300H CPU .......................................................................... 23
2.2
CPU Operating Modes ....................................................................................................... 24
2.3
Address Space.................................................................................................................... 29
2.4
Register Configuration ....................................................................................................... 30
2.4.1
Overview............................................................................................................... 30
2.4.2
General Registers.................................................................................................. 31
2.4.3
Control Registers .................................................................................................. 32
2.4.4
Initial Register Values .......................................................................................... 34
2.5
Data Formats...................................................................................................................... 35
2.5.1
General Register Data Formats............................................................................. 35
2.5.2
Memory Data Formats.......................................................................................... 37
2.6
Instruction Set .................................................................................................................... 38
2.6.1
Overview............................................................................................................... 38
2.6.2
Instructions and Addressing Modes...................................................................... 39
2.6.3
Table of Instructions Classified by Function ....................................................... 41
2.6.4
Basic Instruction Formats ..................................................................................... 48
2.7
Addressing Modes and Effective Address Calculation...................................................... 50
2.7.1
Addressing Mode.................................................................................................. 50
2.7.2
Effective Address Calculation .............................................................................. 53
2.8
Processing States................................................................................................................ 57
2.8.1
Overview............................................................................................................... 57
2.8.2
Reset State ............................................................................................................ 58
2.8.3
Exception-Handling State ..................................................................................... 59
2.8.4
Program Execution State ...................................................................................... 62
2.8.5
Bus-Released State................................................................................................ 62
2.8.6
Power-Down State ................................................................................................ 62
2.9
Basic Timing...................................................................................................................... 63
............................................................................................................
..................................................................................................................... 21
Contents
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7
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9
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