Table of Contents
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Section 1 Overview...........................................................................................
1.1
Features .............................................................................................................................
1.2
Block Diagram ..................................................................................................................
1.3
Pin Description..................................................................................................................
1.3.1
Pin Arrangement ..................................................................................................
1.3.2
Pin Arrangement in Each Operating Mode..........................................................
1.3.3
Pin Functions ....................................................................................................... 14
Section 2 CPU................................................................................................... 21
2.1
Features ............................................................................................................................. 21
2.1.1
Differences between H8S/2600 CPU and H8S/2000 CPU .................................. 22
2.1.2
Differences from H8/300 CPU ............................................................................ 23
2.1.3
Differences from H8/300H CPU.......................................................................... 23
2.2
CPU Operating Modes ...................................................................................................... 24
2.2.1
Normal Mode....................................................................................................... 24
2.2.2
Advanced Mode................................................................................................... 25
2.3
Address Space................................................................................................................... 28
2.4
Register Configuration...................................................................................................... 29
2.4.1
General Registers ................................................................................................. 30
2.4.2
Program Counter (PC) ......................................................................................... 31
2.4.3
Extended Control Register (EXR) ....................................................................... 31
2.4.4
Condition-Code Register (CCR) .......................................................................... 32
2.4.5
Initial Register Values.......................................................................................... 34
2.5
Data Formats..................................................................................................................... 34
2.5.1
General Register Data Formats ............................................................................ 34
2.5.2
Memory Data Formats ......................................................................................... 36
2.6
Instruction Set ................................................................................................................... 37
2.6.1
Table of Instructions Classified by Function ....................................................... 38
2.6.2
Basic Instruction Formats .................................................................................... 47
2.7
Addressing Modes and Effective Address Calculation ..................................................... 48
2.7.1
Register Direct-Rn............................................................................................. 49
2.7.2
Register Indirect-@ERn .................................................................................... 49
2.7.3
Register Indirect with Displacement-@(d:16, ERn) or @(d:32, ERn).............. 49
2.7.4
2.7.5
Absolute Address-@aa:8, @aa:16, @aa:24, or @aa:32.................................... 49
2.7.6
Immediate-#xx:8, #xx:16, or #xx:32 ................................................................. 50
2.7.7
Program-Counter Relative-@(d:8, PC) or @(d:16, PC).................................... 50
2.7.8
Memory Indirect-@@aa:8 ................................................................................ 50
2.7.9
Effective Address Calculation ............................................................................. 51
Contents
Rev. 2.00, 05/03, page xxi of lii
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