48 OUTPUT LED DRIVER / 9 BIT PWM CONTROLLER
Description
SLS System Logic Semiconductor
SL70D0948
48 OUTPUT LED DRIVER / 9 BIT PWM CONTROLLER
SL70D0948
System Logic Semiconductor
SLS System Logic Semiconductor
SL70D0948
CONTENTS
INTRODUCTION BLOCK DIAGRAM PIN ASSIGNMENT PIN DESCRIPTION FUNCTION DESCRIPTION SPECIFICAIONS REFERENCE APPLICATIONS
SLS System Logic Semiconductor INTRODUCTION
SL70D0948
The SL70D0948 is LED driver / controller IC for LED display panel.
This is consisted of 48 channel LED driver , 9Bit PWM controller and 48 bit shift register.
Also it is very convenient to application because all display data can transfer by serial method.
FEATURES
Driver Output Circuits - 48 LED Driver Outputs - LED Driving Voltage - LED Driving Current - LED Driving Current Control - Outputs are 9bit PWM controlled Data Interface - 48bit Shift Register for 9bit data input - 9bit parallel data format selectable PWM controller - 9bit PWM control ( 512 Gray scale ) - 3bit Brightness / 4bit Brightness input selectable Package Type - 100 pin MQFP : N-ch Open Drain MOS Transistor Output : Max.
16V (When Transistor Off) : Max.
90mA
PWCLK
BRMODE
STROBE
/C E 1 CE2 OE
/R E S E T BRD0 BRD1 BRD2
DIN 9bit
BLOCK DIAGRAM
SLS System Logic Semiconductor
DIN0
DIN8
9 bit PWM Counter
Driver Output Control
9
9
9bit Data Register (1)
9
PWM Generator (1) PWM Generator (2) PWM Generator (3) LED Driver (3) LED Driver (2)
LED Driver (1)
LED1 LED2 LED3
9
9bit Data Register (2)
9
9
9bit Data Register (3)
4 8 bit x9bit Shift Register
SHCLK
9
9
9bit Data Register (46)
9
PWM Generator (46) PWM Generator (47) PWM Generator (48)
LED Driver (46) LED Driver (47) LED Driver (48)
LED46 LED47 LED48
9
9bit Data Register (47)
9
9
9bit Data Register (48)
DOUT0
DOUT8
SL70D0948
DOUT 9bit
SLS System Logic Semiconductor
SL70D0948
PIN ASSIGNMENT(MQFP)
80
BRMODE PWCLK LED30 LED29 LED28 LED27 LED26 LED25 LED24 LED23 LED22 LED21 LED20 LED19 BRD0 BRD1 BRD2 OEB VDD VDD VDD GND GND GND GND GND VDD /CE1 CE2
51
GND
81
STROBE ...
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