UPD6121 查看數據表（PDF） - NEC => Renesas Technology

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UPD6121

REMOTE CONTROL TRANSMISSION CMOS IC

NEC => Renesas Technology 

µPD6121, 6122

BLOCK DIAGRAM

OSCO

OSCI

Oscillator

Frequency divider

SEL

Timing generator

CCS

Key input circuit

VDD

LMP

Output circuit

Controller

Data register

Key input/output circuit

*

REM

VSS

KI0 – KInNote

Note µPD6121: KI0 - KI3

µPD6122: KI0 - KI7

KI/O0 KI/O1 KI/O2 KI/O3 KI/O4 KI/O5 KI/O6 KI/O7

DIFFERENCES BETWEEN PRODUCTS

Item

Part number

Operating voltage

Current consumption

(at standby)

Custom codes

Data codes

No. of KI pins

No. of KI/O pins

SEL pin

Transmission format

Package

µPD6121

VDD = 2.0 to 3.3 V

1 µA MAX.

µPD6122

32 x 2

65,536 (16-bit setting)

64 x 2

4

8

8

Provided

NEC transmission format

20-pin plastic SOP (375 mil)

24-pin plastic SOP (375 mil)

3

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