TLC5930PWPR Datasheet, PDF (12/40 Pages) Texas Instruments – 12-CHANNEL LED DRIVER

TLC5930
SLLS528 – MARCH 2002
PRINCIPLES OF OPERATION
HSYNC packet
DATA INPUT
ID
CMD
1
10
INTERNAL CLOCK
DATA
20
30
When Gray Scale Clock is Not Sequential
INTERNAL BLANK
GCLK
CON STANT
CURRENT OUTPUT
LSB of HSYNC Packet
Next Packet
Light ON
When Gray Scale Clock Is Sequential
INTERNAL BLANK
GCLK
CON STANT
CURRENT OUTPUT
Light ON
When Internal Gray Scale Clock Is Used
INTERNAL BLANK
CON STANT
CURRENT OUTPUT
Figure 5. Normal Lighting-ON Operation
Light ON
12
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