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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