Table of Contents
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Section 1
Overview.......................................................................................... 1
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................................................................ 10
1.3.3
Pin Functions ........................................................................................................ 20
Section 2
CPU.................................................................................................. 27
2.1
Overview............................................................................................................................ 27
2.1.1
Features ................................................................................................................. 27
2.1.2
Differences between H8S/2600 CPU and H8S/2000 CPU................................... 28
2.1.3
Differences from H8/300 CPU ............................................................................. 29
2.1.4
Differences from H8/300H CPU .......................................................................... 29
2.2
CPU Operating Modes ....................................................................................................... 30
2.3
Address Space.................................................................................................................... 35
2.4
Register Configuration ....................................................................................................... 36
2.4.1
Overview............................................................................................................... 36
2.4.2
General Registers.................................................................................................. 37
2.4.3
Control Registers .................................................................................................. 38
2.4.4
Initial Register Values .......................................................................................... 40
2.5
Data Formats...................................................................................................................... 41
2.5.1
General Register Data Formats............................................................................. 41
2.5.2
Memory Data Formats.......................................................................................... 43
2.6
Instruction Set .................................................................................................................... 44
2.6.1
Overview............................................................................................................... 44
2.6.2
Instructions and Addressing Modes...................................................................... 45
2.6.3
Table of Instructions Classified by Function........................................................ 47
2.6.4
Basic Instruction Formats ..................................................................................... 56
2.7
Addressing Modes and Effective Address Calculation...................................................... 58
2.7.1
Addressing Mode.................................................................................................. 58
2.7.2
Effective Address Calculation .............................................................................. 61
2.8
Processing States................................................................................................................ 65
2.8.1
Overview............................................................................................................... 65
2.8.2
Reset State ............................................................................................................ 66
2.8.3
Exception-Handling State ..................................................................................... 67
2.8.4
Program Execution State ...................................................................................... 70
2.8.5
Bus-Released State................................................................................................ 70
2.8.6
Power-Down State ................................................................................................ 70
Contents
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