Datasheet

Rev. 2.00 Sep. 28, 2009 Page vii of xl
REJ09B0429-0200
Contents
Section 1 Overview..............................................................................................1
1.1 Overview................................................................................................................................ 1
1.2 Block Diagram....................................................................................................................... 2
1.3 Pin Description....................................................................................................................... 3
1.3.1 Pin Assignment ......................................................................................................... 3
1.3.2 Pin Assignment in Each Operating Mode................................................................. 4
1.3.3 Pin Functions .......................................................................................................... 10
Section 2 CPU....................................................................................................17
2.1 Features................................................................................................................................ 17
2.1.1 Differences between H8S/2600 CPU and H8S/2000 CPU ..................................... 18
2.1.2 Differences from H8/300 CPU ............................................................................... 19
2.1.3 Differences from H8/300H CPU............................................................................. 19
2.2 CPU Operating Modes......................................................................................................... 20
2.2.1 Normal Mode.......................................................................................................... 20
2.2.2 Advanced Mode...................................................................................................... 22
2.3 Address Space...................................................................................................................... 24
2.4 Registers............................................................................................................................... 25
2.4.1 General Registers.................................................................................................... 26
2.4.2 Program Counter (PC) ............................................................................................ 27
2.4.3 Extended Control Register (EXR) .......................................................................... 27
2.4.4 Condition-Code Register (CCR)............................................................................. 28
2.4.5 Multiply-Accumulate Register (MAC) ................................................................... 29
2.4.6 Initial Values of CPU Registers .............................................................................. 29
2.5 Data Formats........................................................................................................................ 30
2.5.1 General Register Data Formats ............................................................................... 30
2.5.2 Memory Data Formats ............................................................................................ 32
2.6 Instruction Set ...................................................................................................................... 33
2.6.1 Table of Instructions Classified by Function .......................................................... 34
2.6.2 Basic Instruction Formats ....................................................................................... 44
2.7 Addressing Modes and Effective Address Calculation........................................................ 45
2.7.1 Register Direct⎯Rn................................................................................................ 45
2.7.2 Register Indirect⎯@ERn ....................................................................................... 45
2.7.3 Register Indirect with Displacement⎯@(d:16, ERn) or @(d:32, ERn)................. 46
2.7.4 Register Indirect with Post-Increment or Pre-Decrement⎯@ERn+ or @-ERn..... 46
2.7.5 Absolute Address⎯@aa:8, @aa:16, @aa:24, or @aa:32....................................... 46