Rev. 2.0, 08/02, page vii of xxxviii
Contents
Section 1 Overview ...........................................................................................1
1.1
Features .............................................................................................................................1
1.2
Block Diagram ..................................................................................................................3
1.3
Pin Arrangement and Functions........................................................................................5
1.3.1
Pin Arrangement ..................................................................................................5
1.3.2
Pin Functions in Each Operating Mode................................................................7
1.3.3
Pin Functions........................................................................................................18
Section 2 CPU ...................................................................................................27
2.1
Features .............................................................................................................................27
2.1.1
Differences between H8S/2600 CPU and H8S/2000 CPU...................................28
2.1.2
Differences from H8/300 CPU.............................................................................28
2.1.3
Differences from H8/300H CPU..........................................................................29
2.2
CPU Operating Modes ......................................................................................................30
2.2.1
Normal Mode.......................................................................................................30
2.2.2
Advanced Mode...................................................................................................31
2.3
Address Space...................................................................................................................33
2.4
Register Configuration......................................................................................................34
2.4.1
General Registers .................................................................................................35
2.4.2
Program Counter (PC)..........................................................................................36
2.4.3
Extended Control Register (EXR)........................................................................36
2.4.4
Condition-Code Register (CCR) ..........................................................................36
2.4.5
Initial Register Values..........................................................................................38
2.5
Data Formats.....................................................................................................................38
2.5.1
General Register Data Formats ............................................................................38
2.5.2
Memory Data Formats .........................................................................................40
2.6
Instruction Set ...................................................................................................................41
2.6.1
Table of Instructions Classified by Function........................................................42
2.6.2
Basic Instruction Formats.....................................................................................51
2.7
Addressing Modes and Effective Address Calculation .....................................................52
2.7.1
Register Direct—Rn.............................................................................................53
2.7.2
Register Indirect—@ERn ....................................................................................53
2.7.3
Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn)..............53
2.7.4
Register Indirect with Post-Increment or Pre-Decrement—@ERn+ or @-ERn ..53
2.7.5
Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32....................................53
2.7.6
Immediate—#xx:8, #xx:16, or #xx:32 .................................................................54
2.7.7
Program-Counter Relative—@(d:8, PC) or @(d:16, PC)....................................54
2.7.8
Memory Indirect—@@aa:8.................................................................................55
2.7.9
Effective Address Calculation..............................................................................56