TLC5910 Datasheet, PDF (3/30 Pages) Texas Instruments – LED DRIVER

functional block diagram
XOE
BCENA
DCLK
DPOL
XENABLE
DCLK
Control
t u DIN 0–9 ,
XLATCH
t u RSEL 0–1
t u DCDIN 0–5 ,
XDCLAT,
DCCLK
1 x 10 bit B.C.
Data Shift Register
Data Latch
8
t u MAG 0–2 , GSPOL,
GSCLK, RBIAS,
VCOIN, PDOUT
BLANK
XRST
WDCAP
WDTRG
LEDCHK
XDOWN2TST
TSENA
10 bit
PLL
Clock Countor
WDT
TSD
IREF
DCENA
TLC5910
LED DRIVER
SLLS392 – NOVEMBER 1999
16 x 10 bit
Data Shift Register
..........
16 x 10 bit
Data Latch
..........
16 x 10 bit
Data Comparator
..........
16 bit
LED Driver+LOD
..........
16 bit
Current Controller
..........
16 x 6 bit
D.C. Data Latch
..........
16 x 6 bit
D.C. Data Shift Register
t u DOUT 0–9
XPOUT
XGSOUT
BOUT
OUT0
···
OUT15
XDOWN1
XDOWN2
t u DCDOUT 0–5
B.C. (brightness control) : Adjustment for brightness deviation between LED modules, and between panels.
D.C (Dot Control) : Adjustment for brightness deviation between dots.
NOTE: All the input terminals are with Schmitt-triggered inverters except RBIAS, VCOIN, PDOUT, IREF, and WDCAP.
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