UPD6600AGS datasheet(10/36 Pages) NEC

전자부품 데이터시트 검색엔진

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UPD6600AGS 데이터시트(PDF) 10 Page - NEC

부품명	UPD6600AGS

상세설명	4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION

PDF	36 Pages

Scroll/Zoom	100%

제조업체	NEC [NEC]

홈페이지	http://www.nec.com/

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10 / 36 page

µPD6124A, 6600A

11.3

KI PIN (P12)

This is the 4-bit pin for key input. All of these pins can be pulled down to the VSS level by mask option.

Figure 11-2. KI Pin Organization

P12

KI3

KI2

KI1

KI0

Mask option

11.4

KI PULL-DOWN RESISTOR CONFIGURATION

V DD

V SS

N-ch

V SS

Input signal

K pull-down

resistor switch

(Mask option)

Pull-down

resistor

P-ch

When the pull-down resistor switch is turned on (set 1) by the mask option, pull-down resistor R is turned on.

Caution

When using the pin as the key switch, turn on the pull-down resistor switch by the mask option.

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