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NEC - 4 BIT SINGLE-CHIP MICROCOMPUTER

Numéro de référence UPD75517
Description 4 BIT SINGLE-CHIP MICROCOMPUTER
Fabricant NEC 
Logo NEC 





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UPD75517 fiche technique
ELECTRON DEVICE
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75517(A)
4 BIT SINGLE-CHIP MICROCOMPUTER
The µPD75517(A) is a 75X series four-bit single-chip microcomputer which enables data processing
equivalent to that performed by an eight-bit microcomputer. It is a high-performance product, whose
minimum instruction execution time is 0.67 µs, shorter than 0.95 µs for the conventional µPD75516. The ROM
and RAM capacities are also larger, and the throughput of the 75X series is further increased. The µPD75517(A)
is suited to controllers of electric parts of automobiles.
FEATURES
Higher reliable than the µPD75517
Capacities of program memory, ROM: 24448 × 8 bits
Capacity of data memory, RAM: 1024 × 4 bits
Function for specifying the instruction execution time (useful for high-speed operation and saving power)
• 0.67 µs/1.33 µs/2.67 µs/10.7 µs (when the main system clock operates at 6.0 MHz)
• 0.95 µs/1.91 µs/3.82 µs/15.3 µs (when the main system clock operates at 4.19 MHz)
• 122 µs (when the subsystem clock operates at 32.768 kHz)
Built-in A/D converter operable on low voltage
• 8-bit resolution × 8 channels (Successive approximation system)
• VDD = 2.7 to 6.0 V
Many I/O lines: 64
Enhanced timer function: 4 channels
Built-in 8-bit serial interface: Two channels
• Built-in NEC serial bus interface (SBI)
Clock operable with ultra-low power consumption (when 5-µA TYP. operates on 3 V.)
Product with a built-in PROM available: µPD75P518
APPLICATIONS
Controller of electric parts of automobiles
ORDERING INFORMATION
Part number
uPD75517GF(A)-×××-3B9
Package
80-pin plastic QFP (14 mm × 20 mm)
Quality grade
Special
Remark ×××: Code number
Please refer to “Quality Grades 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.
(O. D. No.
Date Published
Printed in Japan
IC-3183
IC-8683
November 1992 P
The information in this document is subject to change without notice.
NEC CORPORATION1992

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