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  NEC Electronic Components Datasheet  

D75212A Datasheet

UPD75212A

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D75212A pdf
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75212A
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75212A is a microcomputer with a CPU capable of 1-, 4-, and 8-bit data processing, ROM, RAM, I/O ports,
a fluorescent display tube controller/driver, 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 µPD75212A is a version of the µPD75216A with a small ROM capacity (12K).
The µPD75212A uses the VCR, ECR and CD fluorescent display tubes as display devices and is most suitable for
applications requiring the timer/watch function and high-speed interrupt servicing. It can help to provide the unit
with many functions and to decrease performance costs.
Functions are described in detail in the following User’s Manual. Be sure to read when carrying out design work.
µPD75216A User’s Manual: IEM-988
FEATURES
Architecture equal to that of an 8-bit microcomputer
High-speed operation : Minimum instruction execution time : 0.95 µs (when operated at 4.19 MHz)
Instruction execution time variable function realizing a wide range of operating voltages
On-chip large-capacity program memory : 12K bytes
Watch operation with an ultra low current consumption : 5 µA TYP. (at the 3 V operation)
On-chip programmable fluorescent display tube controller/driver
Timer function : 4 ch
• 14-bit PWM output capability with the voltage synthesizer type electronic tuner
• Buzzer output capability
Interrupt function with importance attached to applications
• For power-off detection
• For remote controlled reception
Product with an on-chip PROM : µPD75P216A, µPD75P218 (on-chip EPROM : WQFN package)
APPLICATION FIELD
VCR, CD player, ECR, etc.
Document No. IC-2584D
(O. D. No. IC-7552D)
Date Published February 1994 P
Printed in Japan
The information in this document is subject to change without notice.
The mark 5 shows major revised points.
© NEC Corporation 1990


  NEC Electronic Components Datasheet  

D75212A Datasheet

UPD75212A

No Preview Available !

D75212A pdf
µPD75212A
ORDERING INFORMATION
Ordering Code
Package
Quality Grade
µPD75212ACW-×××
µPD75212AGF-×××-3BE
64-pin plastic shrink DIP (750 mil)
64-pin plastic QFP (14 × 20 mm)
Standard
Standard
Remarks ××× is a 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.
2


Part Number D75212A
Description UPD75212A
Maker NEC
Total Page 30 Pages
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