TLC5948A Datasheet, PDF (10/50 Pages) Texas Instruments – 16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver

TLC5948A
SBVS192 – MARCH 2012
Low
SIN
SCLK
LAT
BLANK Bit
In Control Data Latch
(Internal)
PSMODE Bit
In Control Data Latch
(Internal)
First Grayscale
Data Latch
(Internal)
Second Grayscale
Data Latch
(Internal)
123
255 256 257
'1'
001b
Previous On/Off Data
Previous On/Off Data
OUT0, 7, 8, 15
ON or OFF
ON or OFF
OUT1, 6, 9, 14
ON or OFF
ON or OFF
OUT2, 5, 10, 13
ON or OFF
ON or OFF
OUT3, 4, 11, 12
ON or OFF
ON or OFF
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123456¼
All Data Are ‘0'
First and second grayscale data latches are changed
simultaneously because the BLANK bit is '1'.
All Data Are '0'
OFF
ON
OFF
ON
OFF
ON
OFF
ON
Power-Save Mode
Normal Mode
ICC
(The Current of VCC)
More Than 100 mA
Normal Mode
Power-Save Mode
t_D6
Less Than 100 mA
Figure 10. Power-Save Mode Timing
Normal Mode
t_D7
10
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