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| TLC59401 Datasheet, PDF (20/29 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL | |||
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TLC59401
SBVS137 â DECEMBER 2009
MODE
XLAT
SIN
First GS Data Input Cycle
GS1
MSB
SCLK
1
SOUT -
-
BLANK
GS Data Input Mode
tsuLOD
tsuLOD > tpd3 + td ´ 15 + tpd2
GS1
LSB
Second GS Data Input Cycle
GS2
MSB
GS2
LSB
192
193
1
192
GS1
MSB
SID1 SID1
MSB MSB-1
SID1 GS2
LSB MSB
(1st GS Data Output Cycle)
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GSCLK
1
4096
OUT0
(current)
OUT1
(current)
OUT15
(current)
tpd3
td
15 x td
tpd2
XERR
tpd3 + 15 x td + tpd2
Figure 20. Readout Status Information Data (SID) Timing Chart
The LOD status of each output can be read out from the SOUT pin. The LOD error bits are latched into the
Status Information Data when XLAT returns to a low after a high. Therefore, the XLAT pin must be pulsed high
then low while XERR is active in order to latch the LOD error into the Status Information Data for subsequent
reading via the serial shift register.
20
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Copyright © 2009, Texas Instruments Incorporated
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