SM3501 Ver la hoja de datos (PDF) - Samhop Mircroelectronics

Número de pieza

componentes Descripción

Fabricante

SM3501

FAN CONTROLLER

Samhop Mircroelectronics 

三合微科股份有限公司

SAMHOP Microelectronics Corp.

SM3501

FAN CONTROLLER

PIN FUNCTION

No.

Pin Name

I/O

Function

1

LOW

O

Wind speed control output

2

TGO

O

Toggle output

3

BUZ

O

Trigger output to drive piezo

4

OSC1

I

Crystal input

5

OSC2

O

Crystal output

6

OPTION1

I

Fan start-up option-float: Speed, VDD:ON/OFF

7

VDD

POWER Positive power

8

SPEED

I/O Wind grade selection input and LED output

9

TGI

I/O Toggle output control input and LED output

10 OFF/ON-OFF

I/O

ON-OFF or OFF function control input and LED output

11

TIMER

I/O

Timer setting input and LED output

12

MODE

I/O Wind mode selection input and LED output

13

COM1

O

LED scanning common pin

14

COM2

O

LED scanning common pin

15

VSS

POWER Negative power supply

16

OPTION2

I

Timer mode option-float: nonadder, VSS: adder

17

STR

O

Wind speed control output

18

MID

O

Wind speed control output

Page 2

V.2.0 Mar 8,2002

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