SC2128C-C82D データシートの表示（PDF） - Silan Microelectronics

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SC2128C-C82D

REMOTE FAN CONTROL IC

Silan Microelectronics 

Silan

Semiconductors

SC2128C

PIN DESCRIPTION

Pin No.

Symbol

1

NC

2

REMOTE

3

VSS

4

OSCI

5

OSCO

6

VDD

7

OFF/BUZZ

8

SPEED

9

MODE

10

SW1

11

LIGHT

12

NC

13

LORD

14

LIT

15

SO1

16

TIMER

17

COM

18

LED3

19

LED2

20

LED1

21

ST

22

MI

23

LO

24

SO2

I/O

Function

--

No connection

I

Remote control sensor input

--

Negative power supply

I

Oscillator input Pin

O

Oscillator output Pin

--

Positive power supply

I/O OFF control key input, shared with buzzer output

I

SPEED key control input

I

MODE key control input

I

Swing head 1 control key input

I

Light control key input

--

No connection

O

Ordinary wind indicator LED output

O

Light output

O

Swing head 1 output

I

TIMER key control input

O

Indicator LED common output

O

Indicator LED output Pin

O

Indicator LED output Pin

O

Indicator LED output Pin

O

(Strong) Speed output Pin

O

(Middle) Speed output Pin

O

(Low) Speed output Pin

O

Swing head 2 output

FUNCTIONAL DESCRIPTION

1. CONTROL KEYS

Up to six(6) function keys – SPEED, MODE, TIMER, SW1, LIGHT and OFF/MEMS – may be used on the

control panel of fan to access SC2128C to its full versatility. OFF/BUZZ key input pin serves further as buzzer

output BUZZ pin. All key inputs are internally pulled-high in SC2128C.

SPEED key controls the fan speed. TIMER key adjusts off-timer. MODE key sets fan into various modes of

operation. SW1 key control the head swing of fan. LIGHT key toggles the LIT output ON and OFF. OFF/BUZZ key

resets the fan to idle state when fan is ON. LIT output is not affected by OFF key.

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.1

2001.09.26

4

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