
Table of Contents
Chapter 1 Hardware ________________________________________
Description ............................................................................................................................................ 2
Memory ................................................................................................................................................. 9
Central Processing Unit (CPU) ........................................................................................................... 12
Reset ................................................................................................................................................... 15
Software Reset ................................................................................................................................... 17
Clock Generating Circuit ..................................................................................................................... 18
Clock Control ...................................................................................................................................... 19
Clock Output ....................................................................................................................................... 22
Stop Mode .......................................................................................................................................... 23
Wait Mode ........................................................................................................................................... 23
Power Saving ...................................................................................................................................... 25
Protection ............................................................................................................................................ 27
Interrupt .............................................................................................................................................. 28
Watchdog Timer .................................................................................................................................. 46
Timer ................................................................................................................................................... 48
Timer A ............................................................................................................................................... 49
Timer B ............................................................................................................................................... 59
Timer X ............................................................................................................................................... 65
Serial I/O ............................................................................................................................................. 75
A-D Converter ..................................................................................................................................... 89
Programmable I/O Ports ..................................................................................................................... 99
Usage Precaution ............................................................................................................................. 107
Electrical characteristics ................................................................................................................... 111
Outline Performance (Flash Memory) ............................................................................................... 125
Flash Memory ................................................................................................................................... 126
CPU Rewrite Mode ........................................................................................................................... 127
Parallel I/O Mode .............................................................................................................................. 134
Standard Serial I/O Mode ................................................................................................................. 146