SH7243 datasheet(9/1726 Pages) RENESAS

9 / 1726 page

Rev. 1.00 Jun. 26, 2008 Page ix of xxx

Contents

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

1.1

SH7286, SH7285, and SH7243 Features .............................................................................. 1

1.2

Block Diagram...................................................................................................................... 9

1.3

Pin Assignment ................................................................................................................... 10

1.4

Pin Functions ...................................................................................................................... 13

Section 2 CPU........................................................................................................23

2.1

Register Configuration........................................................................................................ 23

2.1.1

General Registers ................................................................................................ 23

2.1.2

Control Registers ................................................................................................ 24

2.1.3

System Registers................................................................................................. 26

2.1.4

2.1.5

Initial Values of Registers................................................................................... 27

2.2

Data Formats....................................................................................................................... 28

2.2.1

Data Format in Registers .................................................................................... 28

2.2.2

Data Formats in Memory .................................................................................... 28

2.2.3

Immediate Data Format ...................................................................................... 29

2.3

Instruction Features............................................................................................................. 30

2.3.1

RISC-Type Instruction Set.................................................................................. 30

2.3.2

Addressing Modes .............................................................................................. 34

2.3.3

Instruction Format............................................................................................... 39

2.4

Instruction Set ..................................................................................................................... 43

2.4.1

Instruction Set by Classification ......................................................................... 43

2.4.2

Data Transfer Instructions................................................................................... 48

2.4.3

Arithmetic Operation Instructions ...................................................................... 52

2.4.4

Logic Operation Instructions .............................................................................. 55

2.4.5

Shift Instructions................................................................................................. 56

2.4.6

Branch Instructions ............................................................................................. 57

2.4.7

System Control Instructions................................................................................ 58

2.4.8

Bit Manipulation Instructions ............................................................................. 60

2.5

Processing States................................................................................................................. 61

Section 3 MCU Operating Modes .........................................................................63

3.1

Selection of Operating Modes ............................................................................................ 63

3.2

Input/Output Pins................................................................................................................ 64

3.3

Operating Modes.................................................................................................................64

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