SLS System Logic Semiconductor

SL70D0948

INTRODUCTION

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

: N-ch Open Drain MOS Transistor Output

- LED Driving Voltage

: Max. 16V (When Transistor Off)

- LED Driving Current

: Max. 90mA

- 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

SLS System Logic Semiconductor

SL70D0948

BLOCK DIAGRAM

4 8 b i t x 9 b i t S h i f t R e g i s t e r

D I N 9 b i t

D O U T 9 b i t

9
bit Data Register (1)

9
bit Data Register (2)

9
bit Data Register (3)

9
bit Data Register (46)

9
bit Data Register (47)

9
bit Data Register (48)

PWM Generator (1)

PWM Generator (2)

PWM Generator (3)

PWM Generator (46)

PWM Generator (47)

PWM Generator (48)

LED Driver (1)

LED Driver (2)

LED Driver (3)

LED Driver (46)

LED Driver (47)

LED Driver (48)

LED1

LED2

LED3

LED46

LED47

LED48

DIN8

DIN0

D O U T 8

D O U T 0

SHCLK

bit PWM Counter

PWCLK

B R M O D E

S T R O B E

B R D 2

B R D 1

B R D 0

Driver Output

Control

C E 2

/C E 1

/RESET

SLS System Logic Semiconductor

SL70D0948

PIN ASSIGNMENT(MQFP)

SL70D0948

System Logic

Semiconductor

DIN7

DIN6

DIN5

DIN4

DIN3

DIN2

DIN1

DIN0

GND

LED43

LED44

LED45

LED46

LED47

LED48

GND

LED1

LED2

LED3

LED4

LED5

LED6

GND

DOUT0

DOUT1

DOUT2

DOUT3

DOUT4

DOUT6

DOUT5

3 0

N C

VDD

GND

LED18

LED17

LED16

LED15

LED14

LED13

GND

LED12

LED11

LED10

LED9

LED8

LED7

GND

DOUT8

DOUT7

3 1

5 0

5 1

8 0

VDD

PWCLK

OEB

BRMODE

GND

LED30

LED29

LED28

LED27

LED26

LED25

GND

LED24

LED23

LED22

LED21

LED20

LED19

GND

BRD0

BRD1

BRD2

GND

VDD

GND

CE2

/
CE1

STROBE

S H C L K

/RESET

GND

LED31

LED32

LED33

LED34

LED35

LED36

GND

LED37

LED38

LED39

LED40

LED41

LED42

GND

VDD

DIN8

8 1

1 0 0

SLS System Logic Semiconductor

SL70D0948

PIN DESCRIPTION

P I N N A M E

F U N C T I O N

V D D

5 V P o w e r s u p p l y t e r m i n a l .

G N D

G N D t e r m i n a l s f o r L E D D r i v e r s a n d c o n t r o l l o g i c .

A l l G N D t e r m i n a l s m u s t b e c o n n e c t e d t o G N D l e v e l .

D o n o t l e f t a n y G N D t e r m i n a l t o N C .

D I N 8 ~ D I N 0

D a t a i n p u t t e r m i n a l s f o r 9 b i t R , G , B d a t a .

S h i f t r e g i s t e r a c c e p t s R , G , B d a t a f r o m t h e s e t e r m i n a l s .

( a t r i s i n g e d g e o f S H C L K )

D O U T 8 ~ D O U T 0

O u t p u t t e r m i n a l s o f s h i f t r e g i s t e r o u t p u t d a t a f o r n e x t

D I N 8 ~ D I N 0 t e r m i n a l s .

/R E S E T

R e s e t i n p u t t e r m i n a l ( L o w a c t i v e ) .

S H C L K

S h i f t r e g i s t e r c l o c k i n p u t t e r m i n a l .

S T R O B E

S t r o b e s i g n a l i n p u t t e r m i n a l . A t r i s i n g e d g e o f s t r o b e s i g n a l ,
4 8 c h a n n e l s o f 9 b i t d a t a r e g i s t e r s c o p y R , G , B d a t a f r o m
s h i f t r e g i s t e r .

/C E 1

C h i p e n a b l e s i g n a l i n p u t t e r m i n a l ( L o w a c t i v e ) .

C E 2

C h i p e n a b l e s i g n a l i n p u t t e r m i n a l ( H i g h a c t i v e ) .
T h e d e v i c e a c c e p t s S H C L K a n d S T R O B E w h e n / C E 1 = "L "
a n d C E 2 = "H ".

O E B

O u t p u t e n a b l e s i g n a l i n p u t t e r m i n a l .
T h e d e v i c e o u t p u t s d a t a w h e n O E B = "L ". W h e n O E B = "H "
a l l R , G , B o u t p u t t e r m i n a l s h o l d h i g h - i m p e d a n c e s t a t e .

P W C L K

P W M g e n e r a t o r r e f e r e n c e c l o c k i n p u t t e r m i n a l .

B R M O D E

B r i g h t n e s s c o n t r o l m o d e i n p u t t e r m i n a l .

B R D 2 ~ B R D 0

B r i g h t n e s s c o n t r o l d a t a i n p u t t e r m i n a l .

P I N N o .
( M Q F P )

4 9 , 5 2 , 5 3 , 5 4 , 7 8 , 9 9

9 , 1 6 , 2 3 , 3 3 ,

3 4 , 4 1 , 4 8 ,

5 9 , 6 5 , 7 2 , 7 4

8 4 , 9 1 , 9 8

1 0 0 , 1 , 2 ,

3, 4, 5,

6 , 7 , 8

3 2 , 3 1 , 3 0 ,
2 9 , 2 8 , 2 7 ,

2 6 , 2 5 , 2 4

8 3

8 2

8 1

8 0

7 9

7 6

7 7

7 5

5 6 , 5 7 , 5 8

SLS System Logic Semiconductor

SL70D0948

G N D

R e s e r v e d P i n . M u s t b e t i e d t o G N D .

N C

N o C o n n e c t i o n

L E D 1 ~ 4 8

L E D d r i v e r o u t p u t t e r m i n a l s .

PIN DESCRIPTION

( c o n t i n u e d )

5 1 , 5 5

5 0

P I N N A M E

F U N C T I O N

P I N N o .
( M Q F P )

1 7 , 1 8 , 1 9 , 2 0 ,

2 1 , 2 2 , 3 5 , 3 6 ,

3 7 , 3 8 , 3 9 , 4 0 ,

4 2 , 4 3 , 4 4 , 4 5
4 6 , 4 7 , 6 0 , 6 1
6 2 , 6 3 , 6 4 , 6 5

6 7 , 6 8 , 6 9 , 7 0 ,

7 1 , 7 2 , 8 5 , 8 6
8 7 , 8 8 , 8 9 , 9 0
9 2 , 9 3 , 9 4 , 9 5
9 6 , 9 7 , 1 0 , 1 1
1 2 , 1 3 , 1 4 , 1 5

SLS System Logic Semiconductor

SL70D0948

FUNCTION DESCRIPTION

S Y S T E M I N T E R F A C E

Chip Enable Input

T h e c h i p e n a b l e p i n s a r e / C E 1 a n d C E 2 . T h e S L 7 0 D 0 9 4 8 c a n e n a b l e c h i p b y / C E 1 = 0 , a n d C E 2 = 1 .

I f t h e S L 7 0 D 0 9 4 8 i s e n a b l e t h e n i t c a n r e c e i v e s i g n a l t h a t D I N , S H C L K a n d S T R O B E .

Output Enable Input

T h e S L 7 0 D 0 9 4 8 h a s o u t p u t e n a b l e p i n ( O E B ) . I f t h e O E B = 1 , a l l o u t p u t a r e o f f a n d i f O E B = 0 t h e n

a l l o u t p u t p i n s a r e P W M o u t p u t .

Data Input / Output

T h e S L 7 0 D 0 9 4 8 h a s 9 b i t d a t a i n p u t p i n s ( D I N [ 8 : 0 ] ) a n d 9 b i t d a t a o u t p u t p i n s ( D O U T [ 8 : 0 ] ) .

T h e o u t p u t d a t a i s o u t a f t e r 4 8 t i m e s S H C L K f r o m i n p u t d a t a . I f D O U T [ 8 : 0 ] p i n s a r e c o n n e c t e d

t o n e x t d e v i c e D I N [ 8 : 0 ] p i n s , t h e f i r s t d e v i c e 4 8 b i t i n p u t d a t a c a n s h i f t t h e n e x t d e v i c e 4 8 b i t i n p u t

d a t a b y S H C L K . I t c a n t r a n s f e r d i s p l a y d a t a t o s e r i a l m e t h o d s o i t m a k e s d e v i c e t o c o n n e c t d i r e c t l y .

T h e 9 b i t L E D i n p u t d a t a a r e M S B f i r s t i n p u t t e d . T h e 9 b i t i n p u t d a t a a r e i n p u t t e d 9 b i t L E D 1 a n d n e x t

9 b i t L E D 2 a n d n e x t 9 b i t L E D 3 ... L E D 4 8 i n p u t d a t a b y S H C L K .

SLS System Logic Semiconductor

SL70D0948

L E D 2

L E D 1

L E D 4 8

L E D 4 7

L E D 4 6

L E D 4 5

D I N 8 ~ D I N 0

S H C L K

DATA INPUT

S T R O B E

Data Register DATA (internal)

D a t a R e g i s t e r ( 1 )

L E D 1 [ 8 : 0 ]

L E D 2 [ 8 : 0 ]

L E D 3 [ 8 : 0 ]

L E D 4 [ 8 : 0 ]

L E D 5 [ 8 : 0 ]

L E D 4 8 [ 8 : 0 ]

L E D 4 7 [ 8 : 0 ]

I N P U T T I M I N G D I A G R A M

L E D 4 6 [ 8 : 0 ]

D O U T T I M I N G D I A G R A M

L E D 4 8 [ 8 : 0 ]

L E D 4 7 [ 8 : 0 ]

L E D 4 6 [ 8 : 0 ]

L E D 4 5 [ 8 : 0 ]

L E D 4 4 [ 8 : 0 ]

L E D 4 3 [ 8 : 0 ]

D I N 8 ~ D I N 0

S H C L K

DATA INPUT

D O U T 8 ~ D O U T 6

L E D 4 7 [ 8 : 0 ]

L E D 4 6 [ 8 : 0 ]

L E D 4 3 [ 8 : 0 ]

L E D 4 5 [ 8 : 0 ]

L E D 4 4 [ 8 : 0 ]

D A T A O U T P U T

S H C L K

(After 48 clocks)

5 4

4 9

5 0

5 1

5 2

5 3

D a t a R e g i s t e r ( 2 )

D a t a R e g i s t e r ( 3 )

D a t a R e g i s t e r ( 4 )

D a t a R e g i s t e r ( 5 )

D a t a R e g i s t e r ( 4 6 )

D a t a R e g i s t e r ( 4 7 )

D a t a R e g i s t e r ( 4 8 )

SLS System Logic Semiconductor

SL70D0948

P W M O U T P U T W A V E F O R M

O U T P U T

D R I V E R

P W C L K

8 c l o c k = 1 T

B R M O D E = 0 , B R D [ 2 : 0 ] = ( 1 1 1 )

O U T P U T

D R I V E R

P W C L K

8 c l o c k = 1 T

B R M O D E = 0 , B R D [ 2 : 0 ] = ( 0 0 0 )

O U T P U T

D R I V E R

P W C L K

1 6 c l o c k = 1 T

BRMODE = 1, BRD[2:0] = (111)

O U T P U T

D R I V E R

P W C L K

B R M O D E = 1 , B R D [ 2 : 0 ] = ( 0 0 0 )

9 c l o c k = 9 / 1 6 T

1 6 c l o c k = 1 T

SLS System Logic Semiconductor

SL70D0948

SPECIFICATIONS

CHARACTERISTIC

S Y M B O L

U N I T

M A X I M U M R A T I N G S ( Ta = 25

C )

R A T I N G

S u p p l y V o l t a g e

D D

0 ~ 7 . 0

O u t p u t V o l t a g e ( L E D 1 ~ L E D 4 8 )

O U T

- 0 . 5 ~ 1 7

O u t p u t C u r r e n t ( L E D 1 ~ L E D 4 8 )

O U T

m A

9 0

I n p u t V o l t a g e

I N

- 0 . 4 ~ V

D D

+ 0 . 4

G N D t e r m i n a l C u r r e n t

G N D

m A

1 4 4 0

C l o c k F r e q u e n c y

P W M

M H z

2 0

P o w e r D i s s i p a t i o n

1 . 7 8

O p e r a t i n g T e m p e r a t u r e

O P R

- 4 0 ~ 8 5

P W C L K

S R

M H z

1 5

S H C L K

S t o r a g e T e m p e r a t u r e

S T G

- 5 5 ~ 1 5 0

CHARACTERISTIC

S Y M B O L

U N I T

R E C O M M A N D E D O P E R A T I N G C O N D I T I O N ( T a = 2 5

C )

C O N D I T I O N

S u p p l y V o l t a g e

D D

O u t p u t V o l t a g e ( L E D 1 ~ 4 8 )

O U T

O u t p u t
C u r r e n t

O U T

m A

I n p u t V o l t a g e

I N

C l o c k
F r e q u e n c y

P W M

M H z

P o w e r D i s s i p a t i o n

P W C L K

M I N .

4 . 5

T Y P .

5 . 0

M A X .

5 . 5

1 5 . 0

8 8

D D

1 5

1 . 7 8

L E D 1 ~ 4 8

S H C L K

O H

-1.0

O L

1 . 0

D I N D a t a S e t u p T i m e

D S U

n s

5 0

D I N D a t a H o l d T i m e

D H L D

n s

2 0

S T R O B E S e t u p T i m e

S S U

n s

5 0

S T R O B E H o l d T i m e

S H L D

n s

2 0

S R

M H z

S H C L K

1 0

P u l s e W i d t h
S H C L K , P W C L K , S T R O B E

W H

n s

3 0

W L

n s

3 0

SLS System Logic Semiconductor

SL70D0948

CHARACTERISTIC

S Y M B O L

U N I T

S W I T C H I N G C H A R A C T E R I S T I C S ( Ta = 2 5

C )

P L H

n s

S R M A X

P W M A X

D a t a S e t U p T i m e

D S U

D a t a H o l d T i m e

D H L D

n s

M H z

M a x i m u m C l o c k R i s e T i m e

C O N D I T I O N

M A X .

T Y P .

M I N .

D D

= 5 . 0 V

O U T

= 0 . 4 V

C O N

= V

D D

I H

= V

D D

I L

= G N D

P W M

= 1 0 M H z

O U T

= 4 0 m A

P r o p a g a t i o n
D e l a y T i m e
("L " t o "H ")

S H C L K - D O U T

S T R O B E

O E

M a x i m u m
C l o c k
F r e q u e n c y

S H C L K

P W C L K

S T M A X

S T R O B E

M i n i m u m
P u l s e
W i d t h

W H

W L

S H C L K

P W C L K

S T R O B E

M a x i m u m C l o c k F a l l T i m e

M a x i m u m O u t p u t R i s e T i m e

M a x i m u m O u t p u t F a l l T i m e

O R

O F

u s

2 0

5 0

1 0 0

5 0

1 0 0

1 0

1 5

2 0

1 5

2 0

3 0

1 0

1 5

2 0

1 0

2 0

1 0

2 0

1 0

2 0

1 5

3 0

1 0

1 5

1 0

5 0

1 0 0

2 0 0

n s

D I N 8 ~ D I N 0

S H C L K

D O U T 8 ~ D O U T 0

T I M I N G W A V E F O R M

D I N [ 8 : 0 ]

D S U

D H L D

W H

W L

0 . 1 V D D

S S U

S T R O B E

S H L D

0 . 9 V D D

D O U T [ 8 : 0 ]

P L H

L E D 1 ~ L E D 4 8

O U T P U T

P L H

SLS System Logic Semiconductor

SL70D0948

P o w e r L i n e C o n n e c t i o n

REFERENCE APPLICATIONS

V D D

G N D

SL70D0948

System Logic

Semiconductor

DIN7

DIN6

DIN5

DIN4

DIN3

DIN2

DIN1

DIN0

GND

LED43

LED44

LED45

LED46

LED47

LED48

GND

LED1

LED2

LED3

LED4

LED5

LED6

GND

DOUT0

DOUT1

DOUT2

DOUT3

DOUT4

DOUT6

DOUT5

N C

V D D

G N D

L E D 1 8

L E D 1 7

L E D 1 6

L E D 1 5

L E D 1 4

L E D 1 3

G N D

L E D 1 2

L E D 1 1

L E D 1 0

LED9

LED8

LED7

G N D

D O U T 8

D O U T 7

VDD

PWCLK

OEB

BRMODE

GND

LED30

LED29

LED28

LED27

LED26

LED25

GND

LED24

LED23

LED22

LED21

LED20

LED19

GND

BRD0

BRD1

BRD2

GND

VDD

GND

CE2

/
CE1

S T R O B E

S H C L K

/ R E S E T

G N D

L E D 3 1

L E D 3 2

L E D 3 3

L E D 3 4

L E D 3 5

L E D 3 6

G N D

L E D 3 7

L E D 3 8

L E D 3 9

L E D 4 0

L E D 4 1

L E D 4 2

G N D

V D D

D I N 8

SLS System Logic Semiconductor

SL70D0948

D a t a & C o n t r o l S i g n a l C o n n e c t i o n

REFERENCE APPLICATIONS

( c o n t i n u e d )

Application Ex 1.

I N 8

IN4

IN3

IN2

IN1

IN0

O U T 8
O U T 7

PWCLK

OEB

S T R O B E

S H C L K

/ R E S E T

B R M O D E = 0

: T h e b r i g h t n e s s i s c o n t r o l l e d b y 8 s t e p s s u c h a s 8 / 8 ~ 1 / 8 .

V D D

G N D

IN7

IN6

IN5

OUT2

OUT3

OUT4

OUT5

OUT6

OUT0

OUT1

SL70D0948

System Logic

Semiconductor

DIN7

DIN6

DIN5

DIN4

DIN3

DIN2

DIN1

DIN0

GND

LED43

LED44

LED45

LED46

LED47

LED48

GND

LED1

LED2

LED3

LED4

LED5

LED6

GND

DOUT0

DOUT1

DOUT2

DOUT3

DOUT4

DOUT6

DOUT5

N C

V D D

G N D

L E D 1 8

L E D 1 7

L E D 1 6

L E D 1 5

L E D 1 4

L E D 1 3

G N D

L E D 1 2

L E D 1 1

L E D 1 0

LED9

LED8

LED7

G N D

D O U T 8

D O U T 7

VDD

PWCLK

OEB

BRMODE

GND

LED30

LED29

LED28

LED27

LED26

LED25

GND

LED24

LED23

LED22

LED21

LED20

LED19

GND

BRD0

BRD1

BRD2

GND

VDD

GND

CE2

/
CE1

S T R O B E

S H C L K

/ R E S E T

G N D

L E D 3 1

L E D 3 2

L E D 3 3

L E D 3 4

L E D 3 5

L E D 3 6

G N D

L E D 3 7

L E D 3 8

L E D 3 9

L E D 4 0

L E D 4 1

L E D 4 2

G N D

V D D

D I N 8

SLS System Logic Semiconductor

SL70D0948

REFERENCE APPLICATIONS

( c o n t i n u e d )

Data & Control Signal Connection

Controller

bit Data

Oscillator

SL70D0948

DIN[8:0]

DOUT[8:0]

LED Driver Outputs

Pins

Power

LEDs

SHCLK

STROBE

PWCLK

SL70D0948

DIN[8:0]

DOUT[8:0]

LED Driver Outputs

Pins

Power

LEDs

SHCLK

STROBE

PWCLK

SL70D0948

DIN[8:0]

DOUT[8:0]

LED Driver Outputs

Pins

Power

LEDs

SHCLK

STROBE

PWCLK

SHCLK

STROBE

5 ~ 20

MHz

512

Gray Scale

9 bit Data

bit Data

Device

Электронный компонент: SL70D0948