TLC59291_16 Datasheet, PDF (18/46 Pages) Texas Instruments – 8/16-Channel, Constant Current LED Driver

TLC59291
SLVSA96A – SEPTEMBER 2015 – REVISED MARCH 2016
Timing Diagrams (continued)
SIN
DATA DATA DATA DATA DATA DATA
0A 15B 14B 13B 12B 11B
DATA DATA DATA DATA
3B 2B 1B 0B
DATA DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C 10C
SCLK
1
23
4
5
LAT
Shift register
LSB Data DATA SID DATA DATA DATA DATA
(Internal) ^{0A 0A 16B 15B 14B 13B}
0
Shift register
LSB +1Data ^{DATA SID}
(Internal) ^{1A 1A}
SID DATA DATA DATA
0A 16B 15B 14B
0
Shift register
MSB -1Data
(Internal)
DATA
15A
SID
15A
SID DATA DATA DATA
14A 13A 12A 11A
Shift register
MSB Data
(Internal)
Output on-off
data latch
(Internal)
DATA
16A
0
SID SID SID SID
15A 14A 13A 12A
DATA15A-0A
Control data
Latch
(Internal)
SOUT
DATA
16A
Low
SID SID SID SID
15A 14A 13A 12A
BLANK
13 14 15 16
1
23
4
5
6
DATA DATA DATA
3B 2B 1B
DATA
0B
DATA DATA DATA
4B 3B 2B
DATA
1B
SID SID DATA
1A 0A 16B
0
SID SID SID
2A 1A 0A
SID
DATA DATA DATA DATA DATA
0B
16C 15C 14C 13C 12C
1
SID
SID DATA DATA DATA DATA
1B
0B 16C 15C 14C 13C
1
SID
15B
DATA
15B
DATA
16B
0
SID SID SID SID SID
14B 13B 12B 11B 10B
SID SID SID SID SID
15B 14B 13B 12B 11B
DATA15B-0B
SID SID SID
2A 1A 0A
Control data is not changed from previous data
DATA
16B
Low
SID SID SID SID SID
15B 14B 13B 12B 11B
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OFF
OUTn^{(1) ON}
OFF
OUTn⁽²⁾ _ON
OFF
OFF
ON
ON
OFF
ON
OFF
OUTn⁽³⁾ _ON
OFF
ON
OFF
OFF
ON
OFF
OUTn⁽⁴⁾
ON
(1) On/off latch data is '1'.
(2) On/off latch data change from '1' to '0' at second LAT signal.
(3) On/off latch data is change from '0' to '1' at second LAT signal.
(4) On/off latch data is '0'.
OFF
These dotted lines are output pulse timing for IDM
Figure 11. On-Off Control Data Write Timing (BLANK Mode = 1)
18
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