Datasheet

Rev. 3.00 Sep. 28, 2009 Page vii of xxxiv
REJ09B0384-0300
Contents
Section 1 Overview..............................................................................................1
1.1 Overview................................................................................................................................ 1
1.2 Internal Block Diagram..........................................................................................................3
1.3 Pin Description....................................................................................................................... 4
1.3.1 Pin Assignment ......................................................................................................... 4
1.3.2 Pin Assignment in Each Operating Mode................................................................. 5
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 Registers............................................................................................................................... 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 Multiply-Accumulate Register (MAC) ................................................................... 25
2.4.6 Initial Values of CPU Registers .............................................................................. 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 ....................................................................................... 40
2.7 Addressing Modes and Effective Address Calculation........................................................ 41
2.7.1 Register Direct⎯Rn................................................................................................ 41
2.7.2 Register Indirect⎯@ERn ....................................................................................... 41
2.7.3 Register Indirect with Displacement⎯@(d:16, ERn) or @(d:32, ERn)................. 42
2.7.4 Register Indirect with Post-Increment or Pre-Decrement⎯@ERn+ or @-ERn..... 42
2.7.5 Absolute Address⎯@aa:8, @aa:16, @aa:24, or @aa:32....................................... 42