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UPD784020GC-3B9 Datasheet

  • UPD784020GC-3B9

  • 16/8-BIT SINGLE-CHIP MICROCOMPUTER

  • 603.14KB

  • 90頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
m
PD784020, 784021
16/8-BIT SINGLE-CHIP MICROCOMPUTER
The
m
PD784021 is a product of the
m
PD784026 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
m
PD784021 is a ROM-less product of the
m
PD784025 or
m
PD784026.
The
m
PD784020 differs from the
m
PD784021 only in its RAM size: 512 bytes are allocated for the
m
PD784020,
while 2048 bytes are allocated for the
m
PD784021.
For specific functions and other detailed information, consult the following user鈥檚 manual.
This manual is required reading for design work.
m
PD784026 Sub-Series User鈥檚 Manual, Hardware :
U10898E
78K/IV Series User鈥檚 Manual, Instruction
: U10905E
FEATURES
鈥?/div>
78K/IV series
鈥?/div>
Pin-compatible with the
m
PD78234 sub-series
鈥?/div>
Minimum instruction execution time: 160 ns
(at 25 MHz)
鈥?/div>
PWM outputs: 2
鈥?/div>
Standby function
HALT/STOP/IDLE mode
鈥?/div>
Number of I/O ports: 46
鈥?/div>
Timer/counters: 16-bit timer/counter
樓
3 units
16-bit timer
樓
1 unit
鈥?/div>
Serial interface: 3 channels
UART/IOE (3-wire serial I/O)
:2 channels
CSI (3-wire serial I/O, SBI) : 1 channel
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Clock frequency division function
Watchdog timer : 1 channel
A/D converter
D/A converter
: 8-bit resolution
樓
8 channels
: 8-bit resolution
樓
2 channels
Supply voltage : V
DD
= 2.7 to 5.5 V
APPLICATIONS
LBP, automatic-focusing camera, PPC, printer, electronic typewriter, air conditioner, electronic musical instru-
ments, cellular telephone, etc.
This manual describes the
m
PD784021 unless otherwise specified.
The information in this document is subject to change without notice.
Document No. U11514EJ1V0DS00 (1st edition)
(Previous No.
IP-3234)
Date Published July 1996 P
Printed in Japan
The mark
H
shows major revised points.
漏
1990
1996

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