
Rev. 1.00 Mar. 02, 2006 Page ix of xl
Contents
Section 1 Overview................................................................................................1
1.1
Overview............................................................................................................................... 1
1.2
Internal Block Diagram......................................................................................................... 3
1.3
Pin Description ..................................................................................................................... 4
1.3.1
Pin Arrangement ................................................................................................... 4
1.3.2
Pin Arrangement in Each Operating Mode........................................................... 6
1.3.3
Pin Functions ...................................................................................................... 11
Section 2 CPU......................................................................................................19
2.1
Features............................................................................................................................... 19
2.1.1
Differences between H8S/2600 CPU and H8S/2000 CPU ................................. 20
2.1.2
Differences from H8/300 CPU ........................................................................... 21
2.1.3
Differences from H8/300H CPU......................................................................... 21
2.2
CPU Operating Modes........................................................................................................ 22
2.2.1
Normal Mode...................................................................................................... 22
2.2.2
Advanced Mode.................................................................................................. 24
2.3
Address Space..................................................................................................................... 26
2.4
Register Configuration........................................................................................................ 27
2.4.1
General Registers ................................................................................................ 28
2.4.2
Program Counter (PC) ........................................................................................ 29
2.4.3
Extended Control Register (EXR) ...................................................................... 29
2.4.4
Condition-Code Register (CCR)......................................................................... 30
2.4.5
Initial Register Values......................................................................................... 31
2.5
Data Formats....................................................................................................................... 32
2.5.1
General Register Data Formats ........................................................................... 32
2.5.2
Memory Data Formats ........................................................................................ 34
2.6
Instruction Set ..................................................................................................................... 35
2.6.1
Table of Instructions Classified by Function ...................................................... 36
2.6.2
Basic Instruction Formats ................................................................................... 46
2.7
Addressing Modes and Effective Address Calculation....................................................... 47
2.7.1
Register Direct—Rn ........................................................................................... 47
2.7.2
Register Indirect—@ERn ................................................................................... 47
2.7.3
Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn)............. 48
2.7.4
Register Indirect with Post-Increment or Pre-Decrement—@ERn+ or
@-ERn ................................................................................................................ 48
2.7.5
Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32................................... 48