M30245 datasheet(2/266 Pages) RENESAS

2 / 266 page

Rev.2.00

Oct 16, 2006

page 2 of 264

M30245 Group

Description

REJ03B0005-0200

Table of Contents

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

Description ............................................................................................................................................ 3

Memory ................................................................................................................................................ 12

Central Processing Unit ..................................................................................................................... 13

Reset .................................................................................................................................................... 16

Special Function Registers ................................................................................................................ 18

Processor Modes ................................................................................................................................ 26

System Clock ....................................................................................................................................... 38

Power Control ..................................................................................................................................... 45

Frequency synthesizer circuit ............................................................................................................ 47

Interrupts .............................................................................................................................................. 50

INT interrupt ......................................................................................................................................... 62

NMI Interrupt ........................................................................................................................................ 62

Key-Input Interrupt .............................................................................................................................. 62

Address-Match Interrupt ...................................................................................................................... 65

Watchdog Timer .................................................................................................................................. 68

Universal Serial Bus ............................................................................................................................ 70

Vbus Detect .......................................................................................................................................... 98

Direct memory access controller ..................................................................................................... 100

Timer A .............................................................................................................................................. 110

Serial Communication ...................................................................................................................... 125

Clock synchronous serial I/O mode ................................................................................................. 132

Clock asynchronous serial I/O (UART) mode .................................................................................. 137

UART mode (compliant with the SIM interface) ............................................................................. 142

I2C Bus interface mode ..................................................................................................................... 145

Serial Interface Special Function (SPI mode) ................................................................................ 151

IE mode .............................................................................................................................................. 154

Serial Sound Interface ...................................................................................................................... 156

A/D converter ..................................................................................................................................... 168

CRC calculation circuit ..................................................................................................................... 177

Programmable I/O ports ................................................................................................................... 180

AND Flash Control Circuit ................................................................................................................. 190

Flash memory .................................................................................................................................... 195

CPU Rewrite Mode ............................................................................................................................ 197

Parallel I/O Mode .............................................................................................................................. 206

Standard Serial I/O Mode ................................................................................................................. 208

Standard serial I/O mode 1 .............................................................................................................. 211

Standard serial I/O mode 2 .............................................................................................................. 223

Electrical Specifications ................................................................................................................... 234

Usage Notes ....................................................................................................................................... 250

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