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UPD754264GS Datasheet

  • UPD754264GS

  • 4-BIT SINGLE-CHIP MICROCONTROLLERS

  • 68頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD754264
4-BIT SINGLE-CHIP MICROCONTROLLERS
DESCRIPTION
The
碌
PD754264 is a 4-bit single-chip microcontroller which incorporates the EEPROM
TM
for key-less entry
application.
It incorporates a 32
脳
8-bit EEPROM, a CPU performing operation, a 4-Kbyte mask ROM to store software,
a 128
脳
4-bit RAM to store the operation data, an 8-bit resolution A/D converter, and a carrier generator which
easily outputs waveforms for infrared remote controller.
The details of functions are described in the following user鈥檚 manual. Be sure to read it before designing.
碌
PD754264 User鈥檚 Manual: U12287E
FEATURES
鈥?On-chip EEPROM: 32
脳
8 bits (mapped to the data memory)
鈥?On-chip key return reset function for key-less entry
鈥?On-chip low-voltage A/D converter (AV
REF
= 1.8 to 6.0 V), 8-bit resolution
脳
2 channels
鈥?Low-voltage operation: V
DD
= 1.8 to 6.0 V
鈥?Timer function (4 channels)
鈥?Basic interval timer/watchdog timer : 1 channel
鈥?8-bit timer counter
鈥?On-chip memory
鈥?Program memory (ROM)
4096
脳
8 bits
鈥?Data memory (static RAM)
128
脳
4 bits
鈥?Instruction execution time variable function suited for high-speed operation and power saving.
0.95, 1.91, 3.81, 15.3
碌
s (@ f
X
= 4.19-MHz operation)
0.67, 1.33, 2.67, 10.7
碌
s (@ f
X
= 6.0-MHz operation)
: 3 channels
APPLICATIONS
Automotive appliances such as key-less entry, compact data carrier, etc.
ORDERING INFORMATION
Part Number
Package
20-pin plastic SOP (300 mil, 1.27-mm pitch)
碌
PD754264GS-脳脳脳-BA5
Remark
脳脳脳
indicates ROM code suffix.
The information in this document is subject to change without notice.
Document No. U12487EJ1V1DS00
Date Published January 1999 N CP(K)
Printed in Japan
The mark
shows major revised points.
漏
1997

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