H8S2245 datasheet(29/818 Pages) RENESAS

29 / 818 page

Rev.3.00 Mar. 26, 2007 Page xxix of xlii

REJ09B0355-0300

Contents

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

1.1

Overview...........................................................................................................................

1.2

Internal Block Diagram.....................................................................................................

1.3

Pin Description..................................................................................................................

1.3.1

Pin Arrangement ..................................................................................................

1.3.2

Pin Functions in Each Operating Mode ...............................................................

1.3.3

Pin Functions ....................................................................................................... 12

Section 2 CPU ...................................................................................................................... 19

2.1

Overview........................................................................................................................... 19

2.1.1

Features ................................................................................................................ 19

2.1.2

Differences between H8S/2600 CPU and H8S/2000 CPU .................................. 20

2.1.3

Differences from H8/300 CPU............................................................................. 21

2.1.4

Differences from H8/300H CPU.......................................................................... 21

2.2

CPU Operating Modes ...................................................................................................... 22

2.3

Address Space ................................................................................................................... 27

2.4

Register Configuration ...................................................................................................... 28

2.4.1

Overview.............................................................................................................. 28

2.4.2

General Registers ................................................................................................. 29

2.4.3

Control Registers ................................................................................................. 30

2.4.4

Initial Register Values.......................................................................................... 32

2.5

Data Formats ..................................................................................................................... 33

2.5.1

General Register Data Formats ............................................................................ 33

2.5.2

Memory Data Formats ......................................................................................... 35

2.6

Instruction Set ................................................................................................................... 36

2.6.1

Overview.............................................................................................................. 36

2.6.2

Instructions and Addressing Modes ..................................................................... 37

2.6.3

Table of Instructions Classified by Function ...................................................... 39

2.6.4

Basic Instruction Formats .................................................................................... 49

2.6.5

Notes on Use of Bit Manipulation Instructions.................................................... 50

2.7

Addressing Modes and Effective Address Calculation ..................................................... 50

2.7.1

Addressing Modes ............................................................................................... 50

2.7.2

Effective Address Calculation ............................................................................. 53

2.8

Processing States............................................................................................................... 57

2.8.1

Overview.............................................................................................................. 57

2.8.2

Reset State............................................................................................................ 58

2.8.3

Exception-Handling State .................................................................................... 59

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