UPD75328 Datasheet, PDF (1/66 Pages) NEC – 4-BIT SINGLE-CHIP MICROCOMPUTER

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75328
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75328 is one of the 75X Series 4-bit single-chip microcomputer, and has a data processing
capability comparable to that of an 8-bit microcomputer.
In addition to high-speed operation with 0.95 µs minimum instruction execution time for the CPU, the
µPD75328 can also process data in 1-, 4-, and 8-bit units. Therefore, as a 4-bit single-chip microcomputer
chip having a built-in LCD controller/driver and A/D converter, its data processing capability is the highest
in its class in the world.
The µPD75P328 with one-time PROM, which is replaced with the internal mask ROM for a µPD75328,
is applicable for evaluating systems under development, or for small-scale production of developed
systems.
"Detailed functions are described in the following user's manual. Be sure to read it for designing."
"µPD75328 User's Manual: IEM-5045"
FEATURES
• Capable of high-speed operation and variable instruction execution time to power save
• 0.95 µs, 1.91 µs, 15.3 µs (Main system clock: operating at 4.19 MHz)
• 122 µs (Subsystem clock: operating at 32.768 kHz)
• 75X architecture comparable to that for an 8-bit microcomputer is employed
• Built-in programmable LCD controller/driver
• Built-in 8-bit resolution A/D converter: 6 channels
• Clock operation at reduced power dissipation: 5 µA TYP. (operating at 3 V)
• Timer function: 3 channels
• Interrupt functions especially enhanced for applications, such as remote control receiver
• Pull-up resistors can be provided for 35 I/O lines
• Built-in NEC standard serial bus interface (SBI)
APPLICATIONS
Cameras, blood pressure gauges, airconditioners, etc.
ORDERING INFORMATION
Part Number
µPD75328GC-xxx-3B9
Package
80-pin plastic QFP (s14mm)
Quality Grade
Standard
Remarks: xxx is ROM code number.
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.
The information in this document is subject to change without notice.
Document No. IC-2763B
(O. D. No. IC-7628D)
Date Published November 1993 P
Printed in Japan
The mark 5 shows the major revised points.
© NEC Corporation 1990