H8S-2128 Datasheet, PDF (10/843 Pages) Renesas Technology Corp – Single-Chip Microcomputer

Contents
Section 1 Overview .............................................................................................................. 1
1.1 Overview ............................................................................................................................ 1
1.2 Internal Block Diagram ...................................................................................................... 6
1.3 Pin Arrangement and Functions ......................................................................................... 8
1.3.1 Pin Arrangement ................................................................................................... 8
1.3.2 Pin Functions in Each Operating Mode ................................................................ 14
1.3.3 Pin Functions......................................................................................................... 21
Section 2 CPU........................................................................................................................ 27
2.1 Overview ............................................................................................................................ 27
2.1.1 Features ................................................................................................................. 27
2.1.2 Differences between H8S/2600 CPU and H8S/2000 CPU ................................... 28
2.1.3 Differences from H8/300 CPU.............................................................................. 29
2.1.4 Differences from H8/300H CPU........................................................................... 29
2.2 CPU Operating Modes ....................................................................................................... 30
2.3 Address Space .................................................................................................................... 35
2.4 Register Configuration ....................................................................................................... 36
2.4.1 Overview ............................................................................................................... 36
2.4.2 General Registers .................................................................................................. 37
2.4.3 Control Registers................................................................................................... 38
2.4.4 Initial Register Values ........................................................................................... 39
2.5 Data Formats ...................................................................................................................... 40
2.5.1 General Register Data Formats ............................................................................. 40
2.5.2 Memory Data Formats .......................................................................................... 42
2.6 Instruction Set .................................................................................................................... 43
2.6.1 Overview ............................................................................................................... 43
2.6.2 Instructions and Addressing Modes ...................................................................... 44
2.6.3 Table of Instructions Classified by Function ........................................................ 46
2.6.4 Basic Instruction Formats...................................................................................... 55
2.6.5 Notes on Use of Bit-Manipulation Instructions .................................................... 56
2.7 Addressing Modes and Effective Address Calculation...................................................... 56
2.7.1 Addressing Mode .................................................................................................. 56
2.7.2 Effective Address Calculation............................................................................... 59
2.8 Processing States ................................................................................................................ 63
2.8.1 Overview ............................................................................................................... 63
2.8.2 Reset State ............................................................................................................. 64
2.8.3 Exception-Handling State ..................................................................................... 65
2.8.4 Program Execution State ....................................................................................... 66
2.8.5 Bus-Released State................................................................................................ 66
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