 English |
|
|
|
|
|
|
|
| TLC5952 Datasheet, PDF (12/33 Pages) Texas Instruments – 24-Channel, Constant-Current LED Driver with Global Brightness Control and LED Open-Short Detection | |||
| |||
| ◁ |
TLC5952
SBVS129 â MAY 2009........................................................................................................................................................................................................ www.ti.com
TIMING DIAGRAMS (continued)
SIN
SCLK
LAT
BLANK
0A
On
TSU0
Output On/Off Data Write
Low
B7B
On
G7B R7B
On On
B6B
On
G6B
On
R6B
On
B0B
On
G0B
On
fCLK
(SCLK)
TH0
TWH0
Control Data Write
R0B
On
High
23
Cont
22
Cont
21
Cont
2
Cont
1
Cont
TSU1
0
Cont
1
2
3
4
5
6
TWL0
23 24 25
TH1
1
2
3
TWH1
23 24 25
TWL2
TWH2
Common Shift Register
LOD
Bit 0 (Internal)
R0A
Common Shift Register
LOD
Bit 1 (Internal)
G0A
Low
B7B
On
G7B
On
R7B
On
B6B
On
G6B
On
Low
B7B
On
G7B
On
R7B
On
B6B
On
B0B G0B R0B
On
On
On
R1B B0B
On
On
G0B
On
LOD
R0B
High
23
Cont
22
Cont
LOD
G0B
LOD
R0B
High
23
Cont
2
1
0
Cont Cont Cont
3
2
1
Cont Cont Cont
Common Shift Register
Bit 23 (Internal)
On/Off Data Latch
(Internal)
Control Data Latch
(Internal)
SOUT
(Common Shift Register Bit 24)
OUTR0
OUTG0
OUTB0
OUTR1
LOD
B7A
LOD LOD LOD LOD LOD LOD
G7A R7A B6A G6A R6A B5A
tD0
TEF
LOD LOD LOD LOD LOD LOD
A
B7A G7A R7A B6A G6A R6A
OFF
ON
OFF
tD2
(VOUTRn/Gn/BnH) tF1
(VOUTRn/Gn/BnL)
tD3
ON
tD2
tR1
tD4
OFF
ON
tD3
tD4
OFF
ON
tD3
tD4
LOD
R0A
Low
B7B
On
Previous Data
LOD
B7B
LOD LOD LOD
G7B R7B B6B
Current Data
LOD LOD 23
G0B R0B Cont
Previous Data
LOD
G0A
LOD
R0A
Low
TEF
B
tD1
LOD
B7B
tR0/tF0
LOD LOD
G7B R7B
Current Data
LOD
G0B
LOD
R0B
High
tD5
RED outputs are turned off by output on/off data.
Output current
is changed
by BC data.
OUTR7
OUTG7
OUTB7
OFF
ON
OFF
ON
OFF
ON
Figure 9. Timing Diagram
12
Submit Documentation Feedback
Product Folder Link(s): TLC5952
Copyright © 2009, Texas Instruments Incorporated
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese