SC3010 데이터 시트보기 (PDF) - Silan Microelectronics

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SC3010

INFRARED REMOTE CONTROL TRANSMITTER OF RC5 CODE FORMAT

Silan Microelectronics 

PIN CONFIGURATIONS

SC3010

PIN DESCRIPTION

Pin No.

1

2

3~6

7

8

9~13

14

15~17

18

19

20

21~27

28

Symbol

KI7

SMS

C0~C3

MDOUT

DOUT

KO7~KO3

VSS

KO2~KO0

OSC

T2

T1

KI0~KI6

VDD

Description

Key Sense Input Pin

System Mode Selection Input Pin

Key Sense Input Pins

Generated Output Data Pin modulated with 1/12 oscillator frequency at a 25%

duty factor

Generated Output Data Pin

Scan Driver Pins

Negative Power Supply

Scan Driver Pins

Oscillator Input Pin

Test Pin 2

Test Pin 1

Key Sense Input Pins

Positive Power Supply

FUNCTIONAL DESCRIPTION

1. KEY INPUT OPERATION

A Key Input Operation may be considered legal or illegal depending on the keys pressed. For key

interconnection refer to the application circuit diagram in APPLICATION CIRCUIT SECTION. The maximum

value of the switched key contact series resistance is 7kΩ.

a). Legal Key Input

A legal key input operation enables the device to activate the corresponding codes. A key input operation is

considered as legal if it is 1). a connection of one K-Input (KI0~KI7) to one K-Output (KO0~KO7), or 2).a

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:2.2 2005.12.15

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