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UPD75066CU(A)-XXX PDF预览

UPD75066CU(A)-XXX

更新时间: 2024-09-09 12:59:11
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日电电子 - NEC 计算机
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UPD75066CU(A)-XXX 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
µPD75064, 75066, 75068,  
75064(A), 75066(A), 75068(A)  
4-BIT SINGLE-CHIP MICROCOMPUTER  
The µPD75068 is a member of the 75X series of 4-bit single-chip microcomputers.  
The minimum instruction execution time of the µPD75068's CPU is 0.95 µs. In addition to this high-speed  
capability, the chip contains an A/D converter and furnishes high-performance functions such as the serial  
bus interface (SBI) function compliant with the NEC standard format, providing powerful features and high  
cost performance. The µPD75068(A) is a high-reliability version of the µPD75068.  
NEC also provides PROM versions suitable for small-scale production or evaluation samples in system  
development. The µPD75P068 is the PROM version for the µPD75064, 75066, 75068, and the µPD75P068(A)  
is that for the µPD75064(A), 75066(A), 75068(A).  
The detailed function descriptions are described in the document below. Please make sure to read this  
document before starting design.  
µPD75068 User's Manual: IEU-1366  
FEATURES  
Variable instruction execution time advantageous to high-speed operation and power-saving:  
0.95 µs, 1.91 µs, or 15.3 µs (at 4.19 MHz with the main system clock selected)  
122 µs (at 32.768 kHz with the subsystem clock selected)  
A/D converter (8-bit resolution, successive approximation): 8 channels  
Capable of low-voltage operation: VDD = 2.7 to 6.0 V  
Timer function: 3 channels  
On-chip NEC standard serial bus interface (SBI)  
Very low-power watch operation enabled (5 µA TYP. at 3 V)  
Pull-up resistor option allowed for 27 I/O lines  
The µPD75P068 and 75P068(A) (PROM versions) available: Capable of low-voltage operation (VDD = 2.7 to  
6.0 V)  
APPLICATIONS  
µPD75064, 75066, 75068  
Home electronic appliances, air conditioners, cameras, and electronic measuring instruments  
µPD75064(A), 75066(A), 75068(A)  
Automotive electronics  
The information in this document is subject to change without notice.  
Document No. IC-3140B  
( O.D. No. IC-8629B)  
The mark shows revised points.  
Date Published December 1994 P  
Printed in Japan  
NEC CORPORATION  
1993  

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