TLC59291_16 Datasheet, PDF (10/46 Pages) Texas Instruments – 8/16-Channel, Constant Current LED Driver

TLC59291
SLVSA96A – SEPTEMBER 2015 – REVISED MARCH 2016
Timing Diagrams (continued)
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SIN
DATA DATA DATA DATA DATA DATA
0A 15B 14B 13B 12B 11B
t_SU0
t_H0
t_WH0
SCLK
1
2
3
4
5
LAT
Shift Register
LSB Data
(Internal)
Shift Register
LSB + 1 Data
(Internal)
DATA
0A
DATA
1A
SID DATA DATA DATA DATA
0A 15B 14B 13B 12B
SID SID DATA DATA DATA
1A
0A 15B 14B 13B
Shift Register
MSB - 1 Data
(Internal)
Shift Register
MSB Data
(Internal)
Output On/Off
Data Latch
(Internal)
Control
Data Latch
(Internal)
DATA
14A
DATA
15A
SID SID SID SID SID
14A 13A 12A 11A 10A
SID SID SID SID SID
15A 14A 13A 12A 11A
DATA15A–0A
SOUT
DATA SID SID SID SID SID
15A 15A 14A 13A 12A 11A
t_D0
t_R0/t_F0
BLANK
DATA DATA DATA DATA
3B
2B
1B
0B
t_H1
13 14 15 16
t_SU2
DATA
3B
DATA
4B
DATA
2B
DATA
3B
DATA
1B
DATA
0B
DATA
2B
DATA
1B
SID SID DATA
1A
0A 15B
DATA
14B
SID SID DATA
2A
1A
0A
DATA
15B
SID SID SID
2A
1A
0A
DATA
15B
t_SU1
t_WH1
DATA DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C 10C
1
2
3
4
5
6
t_WL0
Selected SID
0B
Selected SID
1B
DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C
SID DATA DATA DATA DATA
0B 15C 14C 13C 12C
Selected SID
14B
Selected SID
15B
SID SID SID SID SID
13B 12B 11B 10B
9B
SID SID SID SID SID
14B 13B 12B 11B 10B
DATA15B–0B
Latest Control Data
Selected
SID
SID SID SID SID SID
14B 13B 12B 11B 10B
t_WH2
t_WL2
OFF
OUTn⁽¹⁾ _ON
OFF
OUTn+1⁽¹⁾ _ON
t_D1
ON
t_D2
ON
OFF
t_D1
OFF
t_OUTON
t_{D2 OFF}
OFF
OUTn⁽²⁾
ON
OFF
OUTn⁽³⁾
ON
OFF
OUTn⁽⁴⁾ _ON
(1) On/off latched data is '1'.
(2) On/off latched data change from '1' to '0' at second LAT signal.
(3) On/off latched data change from '0' to '1' at second LAT signal.
(4) On/off latched data is '0'.
ON
t_{F1 OFF}
OFF
t_D1
OFF
t_D1
ON
OFF
OFF
ON
t_R1
OFF
Figure 3. Write for ON/Off Data and Output Timing (BLANK Mode = 1)
10
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