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DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD784031
The
μ
PD784031 is a product of the
μ
PD784038 sub-series in the 78K/IV series. It contains various peripheral
hardware such as RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interface, and interrupt
functions, as well as a high-speed, high-performance CPU.
The
μ
PD784031 is a ROM-less product of the
μ
PD784035 and
μ
PD784036.
For specific functions and other detailed information, consult the following user’s manual.
This manual is required reading for design work.
μ
PD784038, 784038Y Sub-Series User’s Manual, Hardware : U11316E
78K/IV Series User’s Manual, Instruction
: U10905E
Features
Pin-compatible with the
μ
PD78234,
μ
PD784026, and
μ
PD784038Y sub-series
Minimum instruction execution time: 125 ns
(at 32 MHz)
Number of I/O ports: 46
Serial interface: 3 channels
UART/IOE (3-wire serial I/O): 2 channels
CSI (3-wire serial I/O, 2-wire serial I/O): 1 channel
PWM outputs: 2
Applications
LBP, automatic-focusing camera, PPC, printer, electronic typewriter, air conditioner, electronic musical instru-
ments, cellular telephone, etc.
Ordering Information
Part number
Package
Internal ROM
(bytes)
None
None
None
Internal RAM
(bytes)
2 048
2 048
2 048
μ
PD784031GC-3B9
μ
PD784031GC-8BT
μ
PD784031GK-BE9
80-pin plastic QFP (14
×
14
×
2.7 mm)
80-pin plastic QFP (14
×
14
×
1.4 mm)
80-pin plastic TQFP (fine pitch) (12
×
12 mm)
The mark
shows major revised points.
The information in this document is subject to change without notice.
Timer/counters
16-bit timer/counter
×
3 units
16-bit timer
×
1 unit
Standby function
HALT/STOP/IDLE mode
Clock frequency division function
Watchdog timer: 1 channel
A/D converter: 8-bit resolution
×
8 channels
D/A converter: 8-bit resolution
×
2 channels
Power supply voltage: V
DD
= 2.7 to 5.5 V
Document No. U11507EJ1V0DS00 (1st edition)
Date Published March 1997 J
Printed in Japan
16/8-BIT SINGLE-CHIP MICROCONTROLLER
1997