UPD6126AG datasheet(11/40 Pages) NEC

Part #	UPD6126AG

Description	4-BIT SINGLE CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION

Download	40 Pages

Scroll/Zoom	100%

Manufacturer	NEC [NEC]

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

Logo

11 / 40 page

µPD6125A, 6126A

11

11.5 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 11-3. KI Pin Organization

P12

KI3

KI2

KI1

KI0

P2

Mask option

11.6 KI Pull-Down Resistor Organization

V DD

V SS

N-ch

V SS

Input signal

K pull-down

resistor switch

(Mask option)

Pull-down

resistor

I

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.

Similar Part No. - UPD6126AG

Manufacturer	Part #	Datasheet	Description
Renesas Technology Corp	UPD6126AG-XXX	465Kb / 42P	MOS INTEGRATED CIRCUIT 1989

Manufacturer	Part #	Datasheet	Description
NEC	UPD61P24	252Kb / 36P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
Renesas Technology Corp	PD6124A	312Kb / 38P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
NEC	UPD6124A	172Kb / 36P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
	UPD62A	377Kb / 62P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
	UPD6132	264Kb / 64P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
	UPD6133	410Kb / 64P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
	UPD62	300Kb / 64P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
	UPD6P5	232Kb / 32P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
Renesas Technology Corp	PD62	419Kb / 66P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
NEC	UPD64A	399Kb / 64P	4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION