TLC5904 Datasheet, PDF (4/27 Pages) Texas Instruments – LED DRIVER

TLC5904
LED DRIVER
SLLS391 – NOVEMBER 1999
functional block diagram for shift register and data latch
MCENA
OVM Data Latch
(1 x 8 bit)
16 bit OVM Comparator
XDOWN1, 2 Output Driver
8
DIN<0:7>
OVM Shift Register
(1 x 8 bit)
8
BCENA
XLATCH
Brightness Control Data Latch
(1 x 8 bit)
Constant Current Driver Control
Gray Scale Clock Counter
Brightness Control Shift Register
(1 x 8 bit)
8
XENABLE
DCLK
DCLK
Controller
MODE
RSEL<0:1>
DOMODE
XOE
Gray Scale Control Data Latch
(16 x 8 bit)
16 x 8 bit Data Comparator
Gray Scale Control Shift Register
(16 x 8 bit / 8 x 8 bit)
8
Note: Enclosed in () is dependent
on MODE pin selection.
8
1 bit
S/R
8
8
DOUT<0:7>
4
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