Datasheet

Rev.7.00 Dec. 24, 2008 Page xxi of liv
REJ09B0074-0700
Contents
Section 1 Overview............................................................................................................. 1
1.1 Overview........................................................................................................................... 1
1.2 Internal Block Diagram..................................................................................................... 3
1.3 Pin Arrangements.............................................................................................................. 7
1.4 Pin Functions in Each Operating Mode ............................................................................ 15
1.5 Pin Functions .................................................................................................................... 21
Section 2 CPU ...................................................................................................................... 31
2.1 Features ............................................................................................................................. 31
2.1.1 Differences between H8S/2600 CPU and H8S/2000 CPU .................................. 32
2.1.2 Differences from H8/300 CPU............................................................................. 33
2.1.3 Differences from H8/300H CPU.......................................................................... 33
2.2 CPU Operating Modes ...................................................................................................... 34
2.2.1 Normal Mode....................................................................................................... 34
2.2.2 Advanced Mode ................................................................................................... 36
2.3 Address Space................................................................................................................... 38
2.4 Register Configuration ...................................................................................................... 39
2.4.1 General Registers ................................................................................................. 40
2.4.2 Program Counter (PC) ......................................................................................... 41
2.4.3 Extended Control Register (EXR) ....................................................................... 41
2.4.4 Condition-Code Register (CCR) .......................................................................... 42
2.4.5 Initial Register Values.......................................................................................... 43
2.5 Data Formats..................................................................................................................... 43
2.5.1 General Register Data Formats ............................................................................ 43
2.5.2 Memory Data Formats ......................................................................................... 45
2.6 Instruction Set ................................................................................................................... 45
2.6.1 Table of Instructions Classified by Function ....................................................... 47
2.6.2 Basic Instruction Formats .................................................................................... 57
2.7 Addressing Modes and Effective Address Calculation ..................................................... 58
2.7.1 Register Direct—Rn............................................................................................. 58
2.7.2 Register Indirect—@ERn .................................................................................... 58
2.7.3 Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn).............. 59
2.7.4 Register Indirect with Post-Increment or Pre-Decrement—@ERn+ or @-ERn.. 59
2.7.5 Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32.................................... 59
2.7.6 Immediate—#xx:8, #xx:16, or #xx:32................................................................. 60
2.7.7 Program-Counter Relative—@(d:8, PC) or @(d:16, PC).................................... 60
2.7.8 Memory Indirect—@@aa:8 ................................................................................ 61
2.7.9 Effective Address Calculation ............................................................................. 62