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SX8661 Datasheet(PDF) 67 Page - Semtech Corporation

Part # SX8661
Description  Low Power, Capacitive Button Touch and Proximity Controller
PDF  88 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8661 Datasheet(HTML) 67 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v3.2, January 2011
© 2011 Semtech Corp.
www.semtech.com
67
SX8661
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
Table 26 resumes the applicable SPM and I2C parameters for each GPIO mode.
GPP
GPO
SPO
GpioMode
X
X
X
5
GpioOutPwrUp
X
1
X
2,3
GpioAutolight
X
GpioPolarity
X
X
GpioIntensityOn
X
1
X
GpioIntensityOff
X
1
X
GpioFunction
X
X
GpioIncFactor
X
GpioDecFactor
X
GpioIncTime
X
GpioDecTime
X
GpioOffDelay
X
SPM
GpioPullUpDown
IrqSrc[4]
GpoCtrl
X
4
GppPinId
X
I2C
GppIntensity
X
1
1
At power up, GppIntensity of each GPP pin is initialized with GpioIntensityOn or GpioIntensityOff depending on GpioOutPwrUp
corresponding bits value.
2
Only if Autolight is OFF, else must be left to 0 (default value)
3
GpioOutPwrUp must be set to OFF in Continuous Fading Mode (with Autolight OFF)
4
Only if Autolight is OFF, else ignored
5
In SPO mode assure the following settings: GpioOutPwrUp=OFF, GpioAutoLight=ON, GpioPolarity=Normal, GpioFunction=Linear
Table 26
Applicable SPM/I2C Parameters vs. GPIO Mode



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