UPD75P048 Datasheet, PDF (1/40 Pages) NEC – 4-BIT SINGLE-CHIP MICROCOMPUTER

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75P048
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75P048 is a One-Time PROM version of the µPD75048. The µPD75P048 is suitable for small-scale
production or experimental production in system development.
Detailed functions are described in the following user’s manual. Read this manual when designing your
system.
µPD75048 User’s Manual: IEU-1278
FEATURES
• The µPD75048 compatible
• The µPD75P048 for evaluation/pre-production, while the µPD75048 for mass-production
• 8064 × 8 bits of one-time programmable ROM
• 512 × 4 bits of RAM
• 1024 × 4 bits of EEPROM (Data memory area)
• Ports 0 to 3 and 6 to 8 with software-selectable pull-up resistors
• Port 9 with software-selectable pull-down resistors
• 12 N-channel open drain input/output ports (ports 4, 5, and 10)
• Low-voltage operation possible (VDD = 2.7 to 6.0 V)
ORDERING INFORMATION
Part number
µPD75P048CW
µPD75P048GC-AB8
Package
64-pin plastic shrink DIP (750 mil)
64-pin plastic QFP ( 14 mm)
Quality grade
Standard
Standard
Caution Pull-up/pull-down resistor mask options are not available.
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-3239
(O.D. No. IC-8720)
Date Published August 1994 P
Printed in Japan
The information in this document is subject to change without notice.
The mark 5 shows major revised points.
©
1994