TLC5940_15 Datasheet, PDF (14/38 Pages) Texas Instruments – 16-Channel LED Driver

TLC5940
SLVS515D – DECEMBER 2004 – REVISED NOVEMBER 2015
Feature Description (continued)
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VPRG
DC Data Input Mode
GS Data Input Mode
th3
tsu3
twh2
XLAT
SIN
DC
MSB
SCLK
1
SOUT
BLANK
GSCLK
OUT0
(current)
OUT1
(current)
OUT15
(current)
DC
LSB
th2
96
1st GS Data Input Cycle
GS1
MSB
tsu2
1
-
DC
-
-
MSB
tpd4
tpd1
GS1
LSB
tsu1
192
GS1
MSB
2nd GS Data Input Cycle
GS2
MSB
th1
twh0
193
1
GS2
LSB
192
twl0
SID1 SID1
MSB MSB-1
SID1 GS2
LSB MSB
GS3
MSB
tsu0
th0
193
1
tpd0
SID2 SID2
MSB MSB-1
twh3
1st GS Data Output Cycle
tsu5
1
tpd3
tpd3
th4
4096
Tgsclk
2nd GS Data Output Cycle
tsu4
twh1
1
twl1
tpd1 + td
td
tpd3 + td
touton
tpd1 + 15 x td
15 x td
tpd2
XERR
Figure 11. Serial Data Input Timing Chart
SIN(a )
SIN
SOUT
TLC5940 (a)
SIN
SOUT
TLC5940 (b)
SCLK, XLAT,
BLANK,
GSCLK,
DCPRG,
VPRG
Figure 12. Cascading Two TLC5940 Devices
SOUT(b )
14
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