TLC5902 Datasheet, PDF (3/22 Pages) Texas Instruments – LED DRIVER

functional block diagram
Shift Register and Data Latch
BC_ENA
RSEL
DIN0
DIN7
ENABLE
DCLK
LATCH
MODE
DCLK
Controller
Brightness Control
Register
16 × 8 Bits
Shift Register
Data Latch
TLC5902
LED DRIVER
SLLS382 – DECEMBER 1999
DOUT0
DOUT7
GSCLK
BLANK
TS_ENA
WDT
WD_CAP
IREF
8 Bits
Gray Scale
Counter
TSD
WDT
Current Reference
Circuit
16 × 8 Bits
Comparator
16 Bits
Constant Current Driver
OUT0
OUT15
GSOUT
BOUT
DOWN
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