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SX8663 датащи(PDF) 50 Page - Semtech Corporation |
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SX8663 датащи(HTML) 50 Page - Semtech Corporation |
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50 / 64 page ![]() ADVANCED COMMUNICATIONS & SENSING Rev5 4 th August 2011 © 2011 Semtech Corp. www.semtech.com 50 SX8663 Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output GPIO Parameters Address Name Bits Description 1:0 Fading mode for GPIO[4] 7:6 Fading mode for GPIO[3] 5:4 Fading mode for GPIO[2] 3:2 Fading mode for GPIO[1] 0x6E GpioFadingMode3_0 1:0 Fading mode for GPIO[0] 01: Continuous 10: Reserved 11: Reserved The fading modes are expected to be defined at power up by the QSM or NVM. In case the fading modes need to be changed after power up this can be done when the GPOs are all OFF. Table 15 resumes the applicable SPM and I2C parameters for each GPIO mode. GPO Autolight OFF GPO Autolight ON SPO (Buzzer – GPIO7 only) GpioMode X X X GpioOutPwrUp X 1 OFF OFF GpioAutolight OFF ON ON GpioPolarity X TSM->Normal else X Normal GpioIntensityOn X X GpioIntensityOff X TSM->0% else X GpioFunction X X Linear GpioIncFactor X X GpioDecFactor X X GpioIncTime X X GpioDecTime X X GpioOffDelay X X SPM GpioFadingMode X X I2C GpoCtrl X 1 GpioOutPwrUp must be set to OFF in Continuous Fading Mode Grey = not applicable, with or without required setting Table 15 Applicable (X) SPM/I2C Parameters vs. GPIO Mode |
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