Table of Contents
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Section 1 Overview............................................................................................1
1.1
Features............................................................................................................................. 1
1.2
Internal Block Diagram..................................................................................................... 2
1.3
Pin Description.................................................................................................................. 3
1.3.1
Pin Arrangement .................................................................................................. 3
1.3.2
Pin Functions in Each Operating Mode ............................................................... 4
1.3.3
Pin Functions ....................................................................................................... 9
Section 2 CPU....................................................................................................13
2.1
Features............................................................................................................................. 13
2.1.1
Differences between H8S/2600 CPU and H8S/2000 CPU .................................. 14
2.1.2
Differences from H8/300 CPU ............................................................................ 15
2.1.3
Differences from H8/300H CPU.......................................................................... 15
2.2
CPU Operating Modes...................................................................................................... 16
2.2.1
Normal Mode....................................................................................................... 16
2.2.2
Advanced Mode................................................................................................... 18
2.3
Address Space................................................................................................................... 20
2.4
Register Configuration...................................................................................................... 21
2.4.1
General Registers................................................................................................. 22
2.4.2
Program Counter (PC) ......................................................................................... 23
2.4.3
Extended Control Register (EXR) ....................................................................... 23
2.4.4
Condition-Code Register (CCR).......................................................................... 24
2.4.5
Initial Register Values.......................................................................................... 25
2.5
Data Formats..................................................................................................................... 26
2.5.1
General Register Data Formats ............................................................................ 26
2.5.2
Memory Data Formats ......................................................................................... 28
2.6
Instruction Set ................................................................................................................... 29
2.6.1
Table of Instructions Classified by Function ....................................................... 30
2.6.2
Basic Instruction Formats .................................................................................... 39
2.7
Addressing Modes and Effective Address Calculation..................................................... 40
2.7.1
Register Direct-Rn ............................................................................................ 40
2.7.2
Register Indirect-@ERn .................................................................................... 40
2.7.3
Register Indirect with Displacement-@(d:16, ERn) or @(d:32, ERn).............. 41
2.7.4
2.7.5
Absolute Address-@aa:8, @aa:16, @aa:24, or @aa:32.................................... 41
2.7.6
Immediate-#xx:8, #xx:16, or #xx:32................................................................. 42
2.7.7
Program-Counter Relative-@(d:8, PC) or @(d:16, PC).................................... 42
2.7.8
Memory Indirect-@@aa:8 ................................................................................ 43
2.7.9
Effective Address Calculation ............................................................................. 44
Contents
Rev. 1.00, 05/04, page ix of xxxiv
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