TLC5955 Datasheet, PDF (14/53 Pages) Texas Instruments – TLC5955 48-Channel, 16-Bit, PWM LED Driver with DC, BC, LED Open-Short Detection, and Internal Current Setting

TLC5955
SBVS237 – MARCH 2014
www.ti.com
Timing Diagrams (continued)
GS Data Write
GS Data Write
SIN
R0
0A
t_SU0
SCLK
Low
B15
15B
B15
14B
B15
13B
B15
12B
t_H0
t_WH0
123 45
t_WL0
GSCLK
65534
65536
65538
65535
65537
LAT
R0
R0
R0
3B
2B
1B
R0
0B
t_H1
766 767 768 769
Low
B15
15C
B15
14C
B15
13C
B15
12C
B15
11C
B15
10C
t_SU1
1234567
t_GSCLK
t_WH1
123456
t_WH2
t_WL1
Grayscale Data
In GS Data Latch
(Internal)
Old Data
t_SU2, t_SU3
New Data
SOUT Low
t_D0
LOD LOD
B15 G15
LOD
R15
LOD
B14
R0
R0
R0
R0
3A
2A
1A
0A
Low
LOD
B15
LOD
G15
LOD
R15
LOD
B14
LOD
G14
LOD
R14
LOD
B13
t_R0, t_F0
Display Timing Reset Enabled, Auto Display Repeat Disabled, All GS Data Are FFFFh
OUTR4, OUTR11, _Off
(V_OUTXnH)
t_R1
OUTG4, OUTG11,
OUTB4, OUTB11 On
(V_OUTXnL)
OUTR0, OUTR15, _Off
OUTG0, OUTG15,
OUTB0, OUTB15 On
OUTR5, OUTR10, _Off
OUTG5, OUTG10,
OUTB5, OUTB10 On
OUTR1, OUTR14, _Off
OUTG1, OUTG14,
OUTB1, OUTB14 ^On
OUTR2, OUTR13, _Off
OUTG2, OUTG13,
OUTB2, OUTB13 ^On
OUTR6, OUTR9, _Off
OUTG6, OUTG9,
OUTB6, OUTB9 ^On
OUTR3, OUTR12, _Off
OUTG3, OUTG12,
OUTB3, OUTB12 ^On
OUTR7, OUTR8, _Off
OUTG7, OUTG8,
OUTB7, OUTB8 ^On
t_F1
t_D1
t_D2
t_D3
t_D4
t_D5
t_D6
t_D7
t_D8
Figure 20. Data Input, Output, and Constant Output Timing
14
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