UPD75237GJ 查看數據表（PDF） - NEC => Renesas Technology

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UPD75237GJ

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD75237

4-BIT SINGLE-CHIP MICROCOMPUTER

DESCRIPTION

The µPD75237 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 ®) 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 µPD75237 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 µPD75217.

The µPD75237 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 µPD75P238 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

• Program memory (ROM): 24K × 8

• Data memory (RAM): 1K × 4

q I/O port: 64 ports (except FIP dedicated pins)

q Minimum instruction execution time: 0.67 µs (when

operated at 6.0 MHz)

q Instruction execution time varying function to achieve

a wide range of power supply voltages

q Built-in programmable FIP controller/driver

• Number of segments: 9 to 24

• Number of digits: 9 to 16

q 8-bit A/D converter: 8 channels

q Powerful timer/counter function: 5 channels

q 8-bit serial interface: 2 channels

q Interrupt function with importance attached to appli-

cations

q Product with built-in PROM: µPD75P238

ORDERING INFORMATION

Ordering Code

Package

Quality Grade

µPD75237GJ-×××-5BG

94-pin plastic QFP (20 × 20 mm)

Standard

Please refer to “Quality grade on NEC Semiconductor Devices” (Document number IEI-1209) published by

NEC Corporation to know the specification of quality grade on the devices and its recommended applications.

Document No. IC-2807A

(O. D. No. IC-8009A)

Date Published March 1993 P

Printed in Japan

The information in this document is subject to change without notice.

The mark 5 shows major revised points.

© NEC Corporation 1991

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