Rev. 3.00, 03/04, page ix of xl
Contents
Section 1 Overview............................................................................................1
1.1
Overview...........................................................................................................................1
1.2
Internal Block Diagram.....................................................................................................2
1.3
Pin Description..................................................................................................................3
1.3.1
Pin Arrangement..................................................................................................3
1.3.2
Pin Arrangement in Each Operating Mode..........................................................4
1.3.3
Pin Functions.......................................................................................................9
Section 2 CPU....................................................................................................15
2.1
Features.............................................................................................................................15
2.1.1
Differences between H8S/2600 CPU and H8S/2000 CPU..................................16
2.1.2
Differences from H8/300 CPU ............................................................................17
2.1.3
Differences from H8/300H CPU..........................................................................17
2.2
CPU Operating Modes......................................................................................................18
2.2.1
Normal Mode.......................................................................................................18
2.2.2
Advanced Mode...................................................................................................20
2.3
Address Space...................................................................................................................22
2.4
Register Configuration......................................................................................................23
2.4.1
General Registers.................................................................................................24
2.4.2
Program Counter (PC).........................................................................................25
2.4.3
Extended Control Register (EXR).......................................................................25
2.4.4
Condition-Code Register (CCR)..........................................................................26
2.4.5
Initial Register Values..........................................................................................27
2.5
Data Formats.....................................................................................................................28
2.5.1
General Register Data Formats............................................................................28
2.5.2
Memory Data Formats.........................................................................................30
2.6
Instruction Set...................................................................................................................31
2.6.1
Table of Instructions Classified by Function.......................................................32
2.6.2
Basic Instruction Formats....................................................................................41
2.7
Addressing Modes and Effective Address Calculation.....................................................43
2.7.1
Register Direct—Rn ............................................................................................43
2.7.2
Register Indirect—@ERn....................................................................................44
2.7.3
Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn)..............44
2.7.4
Register Indirect with Post-Increment or Pre-Decrement—@ERn+
or @-ERn.............................................................................................................44
2.7.5
Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32....................................44
2.7.6
Immediate—#xx:8, #xx:16, or #xx:32.................................................................45
2.7.7
Program-Counter Relative—@(d:8, PC) or @(d:16, PC)....................................45
2.7.8
Memory Indirect—@@aa:8................................................................................46