TLC5930 Datasheet, PDF (36/39 Pages) Texas Instruments – 12-CHANNEL LED DRIVER

T iming chart 1 (when external gray scale clock is used)
Input data
GSL BCL DCL CCL CSL
HSYNC PACKET
01111100000
OVMFA HEF GEF TEF AWC
000000
DTIN
STIN
1/tDATA
Next packet
000010001
tEDGE
Output data
GSL BCL DCL CCL CSL
Hsync packet
OVMFA HEF GEF
00011111000000000
TEF AWC Next packet
010000100
DTOUT
STOUT
tD(D/SIN–D/SOUT)
GCLK
OUT0
OUT1
OUT11
tSU(HSYNC–GCLK)
tD(D/SIN–OUT0)
tD(OUTn+1–OUTn)
Driver OFF
2nd rising edge
tD(OUTn+1–OUTn)
tD(GCLK–OUT0)
Driver ON
Driver OFF
When in all output force on or number of gray scale clock is less than data count
Driver OFF
By AWC function, inverted data from
input is clocked out
1/fGCLK
tWL(GCLK)
tWH(GCLK)
(OUT0:G/S data9)
tD(GCLK–OUT0)
Driver OFF
Driver ON
Driver ON