sx1508bevk Semtech Corporation, sx1508bevk Datasheet - Page 22

• Manufacturer Part Number: sx1508bevk
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Rev 3 – 9
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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
Sept. 2010
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World’s Lowest Voltage Level Shifting GPIO
SX1507B/SX1508B/SX1509B
with LED Driver and Keypad Engine
www.semtech.com