Datasheet

Rev. 3.00 Mar 17, 2006 page xiii of l
Contents
Section 1 Overview............................................................................................................. 1
1.1 Features............................................................................................................................. 1
1.2 Block Diagram.................................................................................................................. 3
1.3 Pin Description.................................................................................................................. 5
1.3.1 Pin Arrangement.................................................................................................. 5
1.3.2 Pin Arrangement in Each Operating Mode.......................................................... 7
1.3.3 Pin Functions ....................................................................................................... 13
Section 2 CPU ...................................................................................................................... 21
2.1 Features............................................................................................................................. 21
2.1.1 Differences between H8S/2600 CPU and H8S/2000 CPU .................................. 22
2.1.2 Differences from H8/300 CPU ............................................................................ 22
2.1.3 Differences from H8/300H CPU.......................................................................... 23
2.2 CPU Operating Modes...................................................................................................... 24
2.2.1 Normal Mode....................................................................................................... 24
2.2.2 Advanced Mode................................................................................................... 26
2.3 Address Space................................................................................................................... 28
2.4 Registers............................................................................................................................ 29
2.4.1 General Registers................................................................................................. 30
2.4.2 Program Counter (PC) ......................................................................................... 31
2.4.3 Extended Register (EXR) .................................................................................... 31
2.4.4 Condition-Code Register (CCR).......................................................................... 32
2.4.5 Multiply-Accumulate Register (MAC)................................................................ 33
2.4.6 Initial Values of CPU Internal Registers.............................................................. 33
2.5 Data Formats..................................................................................................................... 34
2.5.1 General Register Data Formats............................................................................ 34
2.5.2 Memory Data Formats ......................................................................................... 36
2.6 Instruction Set................................................................................................................... 37
2.6.1 Table of Instructions Classified by Function ....................................................... 38
2.6.2 Basic Instruction Formats .................................................................................... 47
2.7 Addressing Modes and Effective Address Calculation..................................................... 48
2.7.1 Register Direct—Rn............................................................................................. 49
2.7.2 Register Indirect—@ERn.................................................................................... 49
2.7.3 Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn).............. 49
2.7.4 Register Indirect with Post-Increment or Pre-Decrement—@ERn+ or @-ERn.. 50
2.7.5 Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32.................................... 50
2.7.6 Immediate—#xx:8, #xx:16, or #xx:32................................................................. 51
2.7.7 Program-Counter Relative—@(d:8, PC) or @(d:16, PC).................................... 51