UPD6604GS 查看數據表（PDF） - NEC => Renesas Technology

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UPD6604GS

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

NEC => Renesas Technology 

µPD6604

1.2 Input/Output Circuits of Pins

The input/output circuits of the µPD6604 pins are shown in partially simplified forms below.

(1) KI/O0-KI/O7

data

Output

latch

VDD

P-ch

(4) S0

Input buffer

output

disable

N-chNote

Input buffer

standby

release

OFF mode

pull-down flag

N-ch

Note The drive capability is held low.

(2) KI0-KI3

N-ch

(5) S1/LED

REM

output latch

VDD

P-ch

standby

release

Input buffer

pull-down flag

N-ch

output

disable

standby

release

pull-down flag

N-ch

Input buffer

N-ch

(3) REM

data

Output

latch

Carrier

generator

VDD

P-ch

N-ch

(6) RESET

Internal reset signal

other than POC

Input buffer

POC circuit

Mask option

VDD

P-ch

N-ch

Data Sheet U11281EJ3V0DS00

7

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