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4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The
μ
PD75236 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
μ
PD75236 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
μ
PD75216A.
The
μ
PD75236 is most suited for advanced and popular VCR timer and tuner applications, single-chip
configurations of system computers, advanced CD players and advanced microwave ovens.
The
μ
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
μ
PD75236
G
Built-in, large-capacity ROM and RAM
Program memory (ROM): 16K
×
8
Data memory (RAM): 768
×
4
G
I/O port: 64 ports (except FIP dedicated pins)
G
Minimum instruction execution time: 0.95
μ
s
(when operated at 4.19 MHz)
G
Instruction execution time varying function to
achieve a wide range of power supply voltages
G
Built-in programmable FIP controller/driver
Number of segments: 9 to 24
Number of digits: 9 to 16
G
8-bit A/D converter: 8 channels
G
Powerful timer/counter function: 5 channels
G
8-bit serial interface: 2 channels
G
Interrupt function with importance attached to
applications
G
Product with built-in PROM:
μ
PD75P238
ORDERING INFORMATION
Ordering Code
Package
Quality Grade
μ
PD75236GJ-
×××
-5BG
94-pin plastic QFP (20
×
20 mm)
Standard
MOS INTEGRATED CIRCUIT
DATA SHEET
The information in this document is subject to change without notice.
The mark
#
shows major revised points.
NEC Corporation 1992
Document No.
(O. D. No.
Date Published February 1993 P
Printed in Japan
IC-2677A
IC-8092A)
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.