TLC5971 Datasheet, PDF (25/37 Pages) Texas Instruments – 12-Channel 16-Bit, Enhanced Spectrum PWM, RGB LED Driver with 3.3-V Linear Regulator

TLC5971
www.ti.com
SBVS146 – AUGUST 2010
BLANK Bit
in Data Latch
(Internal)
EXTCLK Bit
in Data Latch
(Internal)
OUTTMG Bit
in Data Latch
(Internal)
1
0
1 = SCKI used for OUTXn on-off timing control.
1 = OUTXn on-off state changes at the rising edge of the clock selected by the EXTCLK bit.
SCKI
OFF
OUTR0-R3
ON
OFF
OUTG0-G3
ON
OFF
OUTB0-B3
ON
1
t_D3
t_D4
t_D5
2
3
¼ ₆₅₅₃₄
65535
65536
OUTXn on-off state changes at the rising
edge of the clock selected by the EXTCLK bit.
t_D3
t_D4
t_D5
Figure 29. Output On-Off Timing with Four-Channel Grouped Delay (OUTTMG = 1)
BLANK Bit
in Data Latch
(Internal)
EXTCLK Bit
in Data Latch
(Internal)
1
0
1 = SCKI used for OUTXn on-off timing control.
OUTTMG Bit
in Data Latch
(Internal)
0 = OUTXn on-off state changes at the falling edge of the clock selected by the EXTCLK bit.
SCKI
OFF
OUTR0-R3
ON
OFF
OUTG0-G3
ON
OFF
OUTB0-B3
ON
1
2
3
¼ ₆₅₅₃₄
65535
65536
t_D3
OUTXn on-off state changes at the falling
t_D3
edge of the clock selected by the EXTCLK bit.
t_D4
t_D4
t_D5
t_D5
Figure 30. Output On-Off Timing with Four-Channel Grouped Delay (OUTTMG = 0)
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