Datasheet

T=InternalCLK 65´
Internal
Oscillator
Clock
BLANK
OUTn
(GSData=000h)
ON
OFF
OUTn
(GSData=001h)
ON
OFF
OUTn
(GSData=002h)
ON
OFF
ON
OFF
OUTn
(GSData=003h)
OUTn
(GSData=03Fh)
ON
OFF
OFF
OUTn
(GSData=040h)
ON
ON
OFF
OUTn
(GSData=041h)
OUTn
(GSData=400h)
ON
OFF
ON
OFF
OUTn
(GSData=401h)
ON
OFF
ON
OFF
OUTn
(GSData=FFFh)
ON
OFF
0 0 0 0 1 2 3
T=InternalCLK 64´
63 65
64 66
1025 1028 1031
1026 1029
1027 1030
3071 3074 3077
3072 3075
3073
4094 1 2
4095
40963076
2047 2050
2048 2051
2049 2052
OUTn
(GSData=FFEh)
OUTn
(GSData=800h)
OUTn
(GSData=C00h)
ON
OFF
CounterValue
¼
¼
¼
¼
¼
¼
¼
¼
¼
¼
T=Internal
CLK 63´
T=InternalCLK 4095´
T=InternalCLK 4094´
T=InternalCLK 1024´
T=InternalCLK 1025´
T=InternalCLK 2048´
T=InternalCLK 3072´
T=InternalCLK 1´
T=InternalCLK 2´
Driversdonotturnonwhengrayscaledataare ‘0’.
T=InternalCLK 3´
Grayscalecounterstartstocountfrom5th BLANKgoeslow.clockoftheinternaloscillatorclockafter
DottedlineindicatesBLANKishigh.
TLC5947
SBVS114A – JULY 2008 – REVISED SEPTEMBER 2008 ................................................................................................................................................. www.ti.com
Figure 18. PWM Operation
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Product Folder Link(s): TLC5947