R4P2125 Просмотр технического описания (PDF) - Renesas Electronics

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R4P2125

16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series

Renesas Electronics 

Contents

Section 1 Overview................................................................................................1

1.1 Overview............................................................................................................................... 1

1.2 Internal Block Diagram......................................................................................................... 3

1.3 Pin Description ..................................................................................................................... 4

1.3.1 Pin Assignments ................................................................................................... 4

1.3.2 Pin Functions in Each Operating Mode ................................................................ 7

1.3.3 Pin Functions ...................................................................................................... 11

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 Register Configuration........................................................................................................ 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 Initial Register Values......................................................................................... 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 ................................................................................... 45

2.7 Addressing Modes and Effective Address Calculation....................................................... 46

2.7.1 Register Direct—Rn ........................................................................................... 46

2.7.2 Register Indirect—@ERn ................................................................................... 46

2.7.3 Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn)............. 47

2.7.4 Register Indirect with Post-Increment

or Pre-Decrement—@ERn+ or @-ERn.............................................................. 47

2.7.5 Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32................................... 47

Rev. 1.00 Sep. 21, 2006 Page ix of xxxviii

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