TLC5928
www.ti.com ................................................................................................................................................. SBVS120A–JULY 2008–REVISED SEPTEMBER 2008
DATA
0A
DATA
15B
DATA
14B
DATA
13B
DATA
12B
DATA
11B
DATA
3B
DATA
2B
DATA
1B
DATA
0B
DATA
15C
DATA
14C
DATA DATA DATA
13C 12C 11C
DATA
10C
SIN
SCLK
1
2
3
4
5
13
14
15
16
1
2
3
4
5
6
LAT
Shift Register
LSB Data (Internal)
DATA
0A
LOD
0
DATA
15B
DATA
14B
DATA DATA
13B
12B
DATA
3B
DATA
2B
DATA DATA
0B
DATA
15C
DATA
14C
DATA
13C
DATA
12C
DATA
11C
LOD 0A or PTW_A
1B
Shift Register
LSB+1 Data (Internal)
DATA
1A
LOD
1
LOD
0
DATA
15B
DATA DATA
13B
DATA
4B
DATA
3B
DATA
2B
LOD
0A
DATA
15C
DATA
14C
DATA
13C
DATA
12C
LOD 1A or PTW_A
14B
Shift Register
MSB-1 Data(Internal)
DATA
14A
LOD
14
LOD
13
LOD
12
LOD
11
LOD
10
LOD
1
LOD
0
DATA
15B
LOD
13A
LOD
12A
LOD
11A
LOD
10A
LOD
9A
LOD 14A or PTW_A
LOD 15A or PTW_A
Shift Register
MSB Data(Internal)
DATA
1A
LOD
15
LOD
14
LOD
13
LOD
12
LOD
11
LOD
2
LOD
1
LOD DATA
15B
LOD
14A
LOD
13A
LOD
12A
LOD
11A
LOD
10A
0
On/Off Control
Latch Data (Internal)
Previous Grayscale Latch Data
Latest Grayscale Latch Data
DATA
1A
LOD
15
LOD
14
LOD
13
LOD
12
LOD
11
LOD
2
LOD
1
LOD
0
DATA
15B
LOD
14A
LOD
13A
LOD
12A
LOD
11A
LOD
10A
LOD 15A or PTW_A
SOUT
BLANK
OFF
OUTn(1)
OFF
ON
ON
OFF
OUTn(2)
OFF
ON
ON
OFF
OFF
OUTn(3)
OFF
ON
ON
OFF
OFF
OUTn(4)
OFF
ON
(1) On/off latched data are '1'.
(2) On/off latched data are changed from '1' to '0' at the second LAT signal.
(3) On/off latched data are changed from '0' to '1' at the second LAT signal.
(4) On/off latched data are '0'.
Figure 18. On/Off Control Operation
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