HD6433683 datasheet(9/504 Pages) RENESAS

Part #	HD6433683

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

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Manufacturer	RENESAS [Renesas Technology Corp]

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9 / 504 page

Rev. 3.00, 05/03, page ix of xxx

Contents

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

1.1

Features ............................................................................................................................. 1

1.2

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

1.3

Pin Arrangement ............................................................................................................... 5

1.4

Pin Functions..................................................................................................................... 7

Section 2 CPU................................................................................................... 11

2.1

Address Space and Memory Map ..................................................................................... 12

2.2

Register Configuration ...................................................................................................... 15

2.2.1

General Registers ................................................................................................. 16

2.2.2

Program Counter (PC) ......................................................................................... 17

2.2.3

Condition-Code Register (CCR) .......................................................................... 17

2.3

Data Formats ..................................................................................................................... 19

2.3.1

General Register Data Formats ............................................................................ 19

2.3.2

Memory Data Formats ......................................................................................... 21

2.4

Instruction Set ................................................................................................................... 22

2.4.1

Table of Instructions Classified by Function ....................................................... 22

2.4.2

Basic Instruction Formats .................................................................................... 32

2.5

Addressing Modes and Effective Address Calculation ..................................................... 33

2.5.1

Addressing Modes ............................................................................................... 33

2.5.2

Effective Address Calculation.............................................................................. 36

2.6

Basic Bus Cycle ................................................................................................................ 38

2.6.1

Access to On-Chip Memory (RAM, ROM)......................................................... 38

2.6.2

On-Chip Peripheral Modules ............................................................................... 39

2.7

CPU States ........................................................................................................................ 40

2.8

Usage Notes ...................................................................................................................... 41

2.8.1

Notes on Data Access to Empty Areas................................................................. 41

2.8.2

EEPMOV Instruction........................................................................................... 41

2.8.3

Bit-Manipulation Instruction................................................................................ 41

Section 3 Exception Handling .......................................................................... 47

3.1

Exception Sources and Vector Address ............................................................................ 48

3.2

Register Descriptions ........................................................................................................49

3.2.1

Interrupt Edge Select Register 1 (IEGR1)............................................................ 50

3.2.2

Interrupt Edge Select Register 2 (IEGR2)............................................................ 51

3.2.3

Interrupt Enable Register 1 (IENR1) ................................................................... 52

3.2.4

Interrupt Enable Register 2 (IENR2) ................................................................... 53

3.2.5

Interrupt Flag Register 1 (IRR1) .......................................................................... 53

3.2.6

Interrupt Flag Register 2 (IRR2) .......................................................................... 55

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