TLC5954 Datasheet, PDF (15/45 Pages) Texas Instruments – TLC5954 48-Channel, Constant-Current LED Driver with Global Brightness Control, LED Open-Short Detection, and Power-Save Mode

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Timing Diagrams (continued)
SIN ^L
TLC5954
SBVS241 – APRIL 2014
H
SCLK
LAT
1
23
BLANK L
47 48 49
12
47 48 49
t_SU3
H
PSMODE Bit in
FC Data ^10b
(Internal)
On or Off Control
Data Latch
(Internal)
Old On or Off Data
OFF
OUTR0
ON
OFF
OUTG0
ON
(Outputs Are Not All Off)
New Data Are All 0
(Outputs Are All Off)
OFF
OFF
Data Are Not All 0 (Outputs Are Not All Off)
OFF
ON
OFF
ON
OFF
OFF
OFF
OUTB7
ON
ON
Power-Save Mode
(PSM) Status
(Internal)
ICC
(VCC Current)
Normal Mode
Normal Mode
Power-Save
Mode
Power-Save Mode
Normal Mode
The measured point is 90% ICC.
t_D5
Figure 26. Power-Save Mode Timing Diagram (PSMODE = 10b)
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