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UPD75308BGK fiches techniques PDF

NEC - 4-BIT SINGLE-CHIP MICROCOMPUTER

Numéro de référence UPD75308BGK
Description 4-BIT SINGLE-CHIP MICROCOMPUTER
Fabricant NEC 
Logo NEC 





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UPD75308BGK fiche technique
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75304B,75306B,75308B
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75308B is a 75X Series 4-bit single-chip microcomputer capable of the same data processing as an
8-bit microcomputer.
It is a low voltage operation version of the µPD75308 with on-chip LCD controller/driver. Operation at an
ultra-low voltage of 2.0 V is possible. An ultra small-sized plastic QFP (12 × 12 mm) is also provided and it is
perfect for small-sized set that uses an LCD panel.
Functions, etc., are described in detail in the User's Manual. Please be sure to read this manual when
carrying out design work.
µPD75308 User's Manual: IEM-5016
FEATURES
Ultra-low-voltage operation possible: VDD = 2.0 to 6.0 V
• Can be driven by two 1.5 V manganese batteries.
On-chip memory
• Program memory (ROM) : 8064 × 8 bit (µPD75308B)
: 6016 × 8 bit (µPD75306B)
: 4096 × 8 bit (µPD75304B)
• Data memory (RAM)
: 512 × 4 bit
Instruction execution time adjustment function convenient in high-speed operation and power saving
• 0.95 µs, 1.91 µs, 15.3 µs (4.19 MHz operation)
• 122 µs (32.768 kHz operation)
Built-in programmable LCD controller/driver
• LCD drive voltage: 2.0 V to VDD
An ultra small-sized plastic QFP (12 × 12 mm) is provided.
• Suitable for small-sized set, such as a camera.
On-chip PROM products available
• On-chip one-time PROM products : µPD75P308, 75P316A
• On-chip EPROM products
: µPD75P308, 75P316B
APPLICATIONS
Remote control, integrated camera type VCR, camera, gas meter, etc.
Unless there are any particular functional differences, the µPD75308B is described in this document as a
representative product.
Document No. IC-2913C
(O. D. No. IC-8082D)
Date Published January 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 1991

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