sx1511iultrt Semtech Corporation, sx1511iultrt Datasheet - Page 23

• Manufacturer Part Number: sx1511iultrt
• Description: World
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Rev 1 – 24
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Enable open drain (RegOpenDrain)
Set direction to output (RegDir) – by default RegData is set high => LED OFF
Enable oscillator (RegClock)
Configure LED driver clock and mode if relevant (RegMisc)
Enable LED driver operation (RegLEDDriverEnable)
Configure LED driver parameters (RegTOn, RegIOn, RegOff, RegTRise, RegTFall)
Set RegData bit low => LED driver started
th
Feb. 2010
23
World’s Lowest Voltage Level Shifting GPIO
with LED Driver and Keypad Engine
SX1510/SX1511/SX1512
www.semtech.com