M30222 Datasheet, PDF (2/237 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M30222 Group
Rev. G
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Table of Contents
Description ............................................................ 1-2
Operation of Functional Blocks ............................ 1-10
Memory ............................................................... 1-10
Central Processing Unit (CPU) ............................ 1-11
Reset ................................................................... 1-14
Special function registers ..................................... 1-15
Software Reset .................................................... 1-20
Clock generating Circuit ...................................... 1-21
Clock Output ........................................................ 1-25
Wait Mode ........................................................... 1-26
Stop Mode ........................................................... 1-27
Status Transition Of BCLK ................................... 1-28
Voltage Down Converter ...................................... 1-30
Power control....................................................... 1-32
Protection ............................................................ 1-34
Software wait ....................................................... 1-35
Overview of Interrupts .......................................... 1-36
Watchdog Timer .................................................. 1-57
DMAC .................................................................. 1-59
Timers ................................................................. 1-69
Timer A ................................................................ 1-71
Timer B ................................................................ 1-85
Timer functions for three-phase motor control ..... 1-93
Serial Communications ...................................... 1-105
(1) Clock synchronous serial I/O mode .............. 1-114
(2) Clock Asynchronous Serial I/O (UART) Mode1-120
UART2 in I2C Mode .......................................... 1-130
UART2 in SPI mode .......................................... 1-138
S I/O 3, 4 ........................................................... 1-143
LCD Drive Control Circuit .................................. 1-147
A-D Converter ................................................... 1-157
D-A Converter .................................................... 1-168
CRC Calculation Circuit ..................................... 1-170
Programmable I/O Ports .................................... 1-172
Electrical Characteristics ................................... 1-179
Flash Memory .................................................... 1-186
CPU Rewrite Mode ............................................ 1-188
Parallel I/O Mode ............................................... 1-202
Standard serial I/O mode 1 ................................ 1-206
Standard serial I/O mode 2 ................................ 1-226
1-3