LD1048 datasheet(5/27 Pages) LDT | 48 Channel Output LED DRIVER

Part No.	LD1048

Description	48 Channel Output LED DRIVER

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Manufacturer	LDT [LDT Co., Ltd]

Direct Link	http://www.ldt.co.kr/

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LD71D1048C

SD-2003A

10 bit PWM controller / 48 Channel Output LED DRIVER

PIN NAME

DESCRIPTION

VDD

5V Power supply terminal.

GND

GND terminals for LED Drivers and control logic.

All GND terminals must be connected to GND level.

Do not leave any GND terminal to NC.

DIN0 ~ DIN9

Data input terminals for 10Bit R, G, B data.

Shift register accepts R, G, B data from these terminals.

(at rising edge of SCKIN)

DOUT0 ~ DOUT9

Output terminals of shift register output data for next

DIN9 ~ DIN0 terminals.

RESETB

Reset input terminal (Low active).

This Pin reset all register except RAM Area.

SCKIN

Shift register clock input terminal.

STINB

Strobe signal input terminal. At falling edge of strobe signal,

48 channels of 10 bit data registers copy R, G, B data from

shift register.

STENB

STINB enable signal input terminal (Low active).

SCKEN

SCKIN enable signal input terminal (High active).

OEB_R

OEB_G

OEB_B

Output enable signal input terminal.

The device outputs data when OEB = “L”. When OEB = “H”

all R, G, B output terminals hold high-impedance state.

OEB_R, OEB_G, OEB_B work indepantant respectively.

R pin : COUT1,4,7,10,13,16,19,22,25,28,31,34,37,40,43,46

G pin : COUT2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47

B pin : COUT3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48

OSC2

PWM generator reference clock output terminal.

PIN No.

(MQFP)

56, 121

8,7, 6, 5,

4, 3, 2,1

128,127

25,26,27,28

29,30,31,32,

33,34

99

126

125

97

98

35, 36, 37

38

OSC1

PWM generator reference clock input terminal.

39

SCKOUT

Shift register clock out terminal.

24

STOUT

Strobe signal output terminal.

100

PIN DESCRIPTION

11, 16, 21, 40,

43, 48, 53, 73,

76,81, 86,

108, 113, 118

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