MITSUBISHI ELECTRONICS
AMERICA, INC.
PRELIMINARY
M30240
M30240 Group Specification
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Features...............................................................1-3
Applications......................................................... 1-3
Pin Configuration ................................................ 1-4
Block Diagram..................................................... 1-5
Performance outline............................................ 1-6
Pin Description.................................................... 1-8
Overview........................................................... 1-10
Operation of Functional Blocks. . . . . . . . . 1-11
Central Processing Unit (CPU) ......................... 1-11
Processor Mode................................................ 1-14
Memory............................................................. 1-15
SFR MAP.......................................................... 1-16
Reset................................................................. 1-22
Software Reset ................................................. 1-23
Clock-Generating Circuit................................... 1-23
Clock Control .................................................... 1-24
Stop Mode......................................................... 1-26
Wait Mode......................................................... 1-26
Status Transition Of the Internal Clock Φ ......... 1-26
Power Control ................................................... 1-27
Protection.......................................................... 1-28
Interrupts........................................................... 1-29
NMI Interrupt..................................................... 1-35
Key-Input Interrupt ............................................ 1-36
Address Match Interrupt.................................... 1-38
Watchdog Timer................................................ 1-39
Frequency Synthesizer Circuit.......................... 1-41
Universal Serial Bus.......................................... 1-44
DMAC ............................................................... 1-63
Timers............................................................... 1-68
Timer A ............................................................. 1-69
Timer B ............................................................. 1-80
UART0 through UART2 .................................... 1-83
A-D Converter................................................. 1-106
CRC Calculation Circuit .................................. 1-116
Programmable I/O Ports ................................. 1-117
Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-124
Usage Precautions.......................................... 1-124
Specifications . . . . . . . . . . . . . . . . . . . . . . 1-128
Electrical ......................................................... 1-128
Timing ............................................................. 1-130
Timing Diagrams- Peripheral/interrupt............ 1-133
Applications . . . . . . . . . . . . . . . . . . . . . . . 1-134
Frequency Synthesizer Interface
and DC-DC Converter..................................... 1-134
Attach/Detach Function................................... 1-138
Low Pass Filter Network ................................. 1-139
USB Transceiver............................................. 1-140
Programming Notes........................................ 1-141