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UPD75237GJ Datasheet

  • UPD75237GJ

  • 4-BIT SINGLE-CHIP MICROCOMPUTER

  • 191頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD75237
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The
碌
PD75237 is a microcomputer with a CPU capable of 1-, 4-, and 8-bit-wise data processing, a ROM, a RAM,
I/O ports, a fluorescent display tube (FIP
廬
) controller/driver, A/D converters, a watch timer, a timer/pulse generator
capable of outputting 14-bit PWM, a serial interface and a vectored interrupt function integrated on a single-chip.
The
碌
PD75237 has the more improved peripheral functions including the RAM capacity, FIP controller/driver
display capabilities, I/O ports, A/D converter and serial interface than those of the
碌
PD75217.
The
碌
PD75237 is most suited for advanced and popular VCR timer and tuner applications, single-chip configu-
rations of system computers, advanced CD players and advanced microwave ovens.
The
碌
PD75P238 PROM product and various types of development tools (IE-75001-R, assemblers and others) are
available for evaluation in system development or small-volume production.
FEATURES
q
Built-in, large-capacity ROM and RAM
鈥?Program memory (ROM): 24K
脳
8
鈥?Data memory (RAM): 1K
脳
4
I/O port: 64 ports (except FIP dedicated pins)
Minimum instruction execution time: 0.67
碌
s (when
operated at 6.0 MHz)
Instruction execution time varying function to achieve
a wide range of power supply voltages
Built-in programmable FIP controller/driver
鈥?Number of segments: 9 to 24
鈥?Number of digits: 9 to 16
q
q
q
q
8-bit A/D converter: 8 channels
Powerful timer/counter function: 5 channels
8-bit serial interface: 2 channels
Interrupt function with importance attached to appli-
cations
Product with built-in PROM:
碌
PD75P238
q
q
q
q
q
ORDERING INFORMATION
Ordering Code
Package
94-pin plastic QFP (20
脳
20 mm)
Quality Grade
Standard
碌
PD75237GJ-脳脳脳-5BG
Please refer to 鈥淨(jìng)uality grade on NEC Semiconductor Devices鈥?(Document number IEI-1209) published by
NEC Corporation to know the specification of quality grade on the devices and its recommended applications.
The information in this document is subject to change without notice.
Document No. IC-2807A
(O. D. No. IC-8009A)
Date Published March 1993 P
Printed in Japan
The mark
5
shows major revised points.
漏 NEC Corporation 1991

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