4502 datasheet(5/214 Pages) RENESAS

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4502 Group

Rev.2.01

Feb 02, 2005

REJ09B0193-0201

Table of contents

CHAPTER 1 HARDWARE

DESCRIPTION ................................................................................................................................ 1-2

FEATURES ...................................................................................................................................... 1-2

APPLICATION ................................................................................................................................ 1-2

PIN CONFIGURATION .................................................................................................................. 1-2

BLOCK DIAGRAM ......................................................................................................................... 1-3

PERFORMANCE OVERVIEW ....................................................................................................... 1-4

PIN DESCRIPTION ........................................................................................................................ 1-5

MULTIFUNCTION ..................................................................................................................... 1-5

PORT FUNCTION .................................................................................................................... 1-6

DEFINITION OF CLOCK AND CYCLE ................................................................................. 1-6

CONNECTIONS OF UNUSED PINS ..................................................................................... 1-7

PORT BLOCK DIAGRAMS ..................................................................................................... 1-8

FUNCTION BLOCK OPERATIONS ........................................................................................... 1-13

CPU .......................................................................................................................................... 1-13

PROGRAM MEMOY (ROM) .................................................................................................. 1-16

DATA MEMORY (RAM) ......................................................................................................... 1-17

INTERRUPT FUNCTION ....................................................................................................... 1-18

EXTERNAL INTERRUPTS .................................................................................................... 1-22

TIMERS ................................................................................................................................... 1-25

WATCHDOG TIMER .............................................................................................................. 1-30

A/D CONVERTER .................................................................................................................. 1-32

RESET FUNCTION ................................................................................................................ 1-37

VOLTAGE DROP DETECTION CIRCUIT ........................................................................... 1-40

RAM BACK-UP MODE .......................................................................................................... 1-41

CLOCK CONTROL ................................................................................................................. 1-46

ROM ORDERING METHOD ....................................................................................................... 1-48

LIST OF PRECAUTIONS ............................................................................................................ 1-49

CONTROL REGISTERS .............................................................................................................. 1-52

INSTRUCTIONS ............................................................................................................................ 1-56

SYMBOL .................................................................................................................................. 1-56

INDEX LIST OF INSTRUCTION FUNCTION ..................................................................... 1-57

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) ....................................................... 1-61

MACHINE INSTRUCTIONS (INDEX BY TYPES) .............................................................. 1-90

INSTRUCTION CODE TABLE ............................................................................................ 1-102

BUILT-IN PROM VERSION ...................................................................................................... 1-104

Table of contents

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