4501 datasheet(5/212 Pages) RENESAS

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4501 Group

Rev.2.01

Feb 07, 2005

REJ09B0192-0201

Table of contents

CHAPTER 1 HARDWARE

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

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

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

PIN CONFIGURATION .................................................................................................................. 1-3

BLOCK DIAGRAM ......................................................................................................................... 1-4

PERFORMANCE OVERVIEW ....................................................................................................... 1-5

PIN DESCRIPTION ........................................................................................................................ 1-6

MULTIFUNCTION ..................................................................................................................... 1-6

PORT FUNCTION .................................................................................................................... 1-7

DEFINITION OF CLOCK AND CYCLE ................................................................................. 1-7

CONNECTIONS OF UNUSED PINS ..................................................................................... 1-8

PORT BLOCK DIAGRAMS ..................................................................................................... 1-9

FUNCTION BLOCK OPERATIONS ........................................................................................... 1-14

CPU .......................................................................................................................................... 1-14

PROGRAM MEMOY (ROM) .................................................................................................. 1-17

DATA MEMORY (RAM) ......................................................................................................... 1-18

INTERRUPT FUNCTION ....................................................................................................... 1-19

EXTERNAL INTERRUPTS .................................................................................................... 1-23

TIMERS ................................................................................................................................... 1-26

WATCHDOG TIMER .............................................................................................................. 1-31

A/D CONVERTER .................................................................................................................. 1-33

RESET FUNCTION ................................................................................................................ 1-38

VOLTAGE DROP DETECTION CIRCUIT ........................................................................... 1-41

RAM BACK-UP MODE .......................................................................................................... 1-42

CLOCK CONTROL ................................................................................................................. 1-47

ROM ORDERING METHOD ....................................................................................................... 1-49

LIST OF PRECAUTIONS ............................................................................................................ 1-50

CONTROL REGISTERS .............................................................................................................. 1-53

INSTRUCTIONS ............................................................................................................................ 1-57

SYMBOL .................................................................................................................................. 1-57

INDEX LIST OF INSTRUCTION FUNCTION ..................................................................... 1-58

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) ....................................................... 1-62

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

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

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

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