UPD6121 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD6121

REMOTE CONTROL TRANSMISSION CMOS IC

NEC => Renesas Technology 

µPD6121, 6122

8. APPLICATION CIRCUIT EXAMPLE

(1) Example application circuit using µPD6121

Ceramic resonator

455 kHz

+

3V

OSCO OSCI

VDD

LMP

SEL

µPD6121G-001

CCS

KI0

KI3 KI/O0

VDD

VDD

(2) Example application circuit using µPD6122

Ceramic resonator

455 kHz

+

3V

OSCO OSCI

VDD

LMP

SEL

µPD6122G-001

CCS

KI0

KI7 KI/O0

VDD

VDD

REM

VSS

Infrared-emitting diode

SE303A-C

SE307-C

SE313

SE1003-C

2SC2001, 3616

2SD1513, 1616

2SD1614

KI/O7

Custom code selection resistor

Key matrix

=

8 x 4 = 32 keys

Custom code selection diode

REM

VSS

Infrared-emitting diode

SE303A-C

SE307-C

SE313

SE1003-C

2SC2001, 3616

2SD1513, 1616

2SD1614

KI/O7

Custom code selection resistor

Key matrix

8 x 8 = 64 keys

Custom code selection diode

17

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