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2009-12-17

3-CHANNEL RGB LED LAMP DRIVER

LED DRIVER

M1355

一華半導體股份有限公司

MOSDESIGN SEMICONDUCTOR CORP.

PIN ASSIGNMENT

PIN DESCRIPTION

NO.

Pin Name

Type

Description

1 , 13

NC

No Connection

2

REXT

INPUT

External Resistor For Setting Up Output Current For All Output Channels

3

LATI

INPUT

Latch Signal Input For 8-Bit Latches

4

SDAI

INPUT

Serial Data Input

5

CLKI

INPUT

System Clock Input

6

VSS

GND

Negative power supply

7~9

OUT1~3

OUTPUT NMOS Output Driver(open-drain)

10

CLKO

OUTPUT System Clock Output

11

SDAO

OUTPUT Serial Data Output

12

LATO

OUTPUT Latch Signal Output For 8-Bit Latches

14

VDD

POWER Positive power supply

REXT

LATI

M1355

LATO

N.C

VDD

N.C

114

78

CLKI

CLKO

VSS

OUT1

OUT2

SDAI

SDAO

OUT3