UPD178004A datasheet(42/56 Pages) NEC

Part #	UPD178004A

Description	8-BIT SINGLE-CHIP MICROCONTROLLERS

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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42 / 56 page

42

µPD178004A, 178006A, 178016A, 178018A

SERIAL TRANSFER TIMING

3-Wire Serial I/O Mode:

tKCYm

tKLm

tKHm

SCK0, SCK1

SI0, SI1

SO0, SI1

tSIKm

tKSIm

tKSOm

Input Data

Output Data

tRn

tFn

Remark m = 1, 2, 9, 10

n = 2, 10

SBI Mode (Bus Release Signal Transfer):

tSIK3, 4

tKCY3, 4

tKL3, 4

tKH3, 4

SCK0

tSBL

tSBH

tKSB

tSBK

tKSI3, 4

tKSO3, 4

SB0, SB1

tR4

tF4

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UPD178004A Datasheet(PDF) 42 Page - NEC

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