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| TLC5949 Datasheet, PDF (10/51 Pages) Texas Instruments – 16-Channel, 12-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit Global BC LED Lamp | |||
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TLC5949
SBVS219A â DECEMBER 2012 â REVISED DECEMBER 2012
www.ti.com
SIN
GS0
0A
tSU0
SCLK
GS Data Write
Low
GS15 GS15
15B 14B
tH0
GS15
13B
GS15
12B
tWH0
123 45
tWL0
GS0 GS0 GS0
3B
2B
1B
GS0
0B
tH1
190 191 192 193
GSCLK
4094
4096
4095
LAT
BLANK Bit
In First Control Data Latch
(Internal)
Data = 0
GS Data Write
Low
GS15
15C
GS15
14C
GS15
13C
GS15
12C
GS15
11C
GS15
10C
tSU1
1234567
tGSCLK
tWH1
123456
tWH2
tWL1
tSU2, tSU3
Grayscale Data
In First GS Data Latch
(Internal)
Grayscale Data
In Second GS Data Latch
(Internal)
SOUT Low
tD0
RSV RSV
RSV
RSV
Old Data
Old Data
(1)
RSV
RSV
RSV
RSV
tD0
Low
New Data
The data in the 193-bit common shift register are copied
to the first and second GS data latches when the display
timing reset is enabled.
New Data
RSV
RSV
RSV
RSV
LOD
15
LOD
14
LOD
13
tR0, tF0
Display Timing Reset Enabled, Auto Display Repeat Disabled, All GS Data Are FFFh
OUT0, OUT7, OFF
OUT8, OUT15 ON
(VOUTnH)
(VOUTnL)
tR1
tD2
OUT1, OUT6, OFF
OUT9, OUT14 ON
tD3
OUT2, OUT5, OFF
OUT10, OUT13 ON
tD4
OUT3, OUT4, OFF
OUT11, OUT12 ON
tD5
Display Timing Reset Enabled, Auto Display Repeat Disabled, All GS Data Are 001h
OUT0, OUT7, OFF
OUT8, OUT15 ON
OUT1, OUT6, OFF
OUT9, OUT14 ON
OUT2, OUT5, OFF
OUT10, OUT13 ON
OUT3, OUT4, OFF
OUT11, OUT12 ON
tF1
tD2
tD3
tD4
tD5
tD2
tOUTON(2)
tD3
tOUTON
tD4
tOUTON
tD5
tOUTON
(1) RSV = reserved.
(2) tOUTON refers to tON_ERR = tOUTON â tGSCLK.
Figure 9. Grayscale Data Write Timing
10
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Copyright © 2012, Texas Instruments Incorporated
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