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GPCE4XXXX Datasheet(PDF) 21 Page - Generalplus Technology Inc. |
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GPCE4XXXX Datasheet(HTML) 21 Page - Generalplus Technology Inc. |
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21 / 49 page  GPCE4XXXX © Generalplus Technology Inc. Proprietary & Confidential 21 Jun. 26, 2017 Version: 1.1 6.3 GPCE4096A/GPCE4064A 6.3.1 Pin descriptions Mnemonic Type Description PORT A, Port B IOA [15:0] I/O IOA[15:0]: bi-directional I/O ports It can be programmed as wakeup I/O pins. IOB [15:0] I/O IOB [15:0]: bi-directional I/O ports. It can be programmed as wakeup I/O pins. IOB[11] is shared with ADC OP AMP output IOB[10] is shared with ( OPI) ADC MIC amplifier output (refer to application circuit) IOB[9] is shared with ADC OPI Audio amplifier negative input (refer to application circuit) IOB[8] is shared with ADC AGC by pass filter (refer to application circuit) IOC [15:0] I/O IOC [15:0]: bi-directional I/O ports. It can be programmed as wakeup I/O pins. Power & GND VDD_IOA P Power VDD for Port A VSS_IOA G Power GND for Port A VDD_IOB P Power VDD for Port B VSS_IOB G Power GND for Port B VDD_IOC P Power VDD for Port C VSS_IOC G Power GND for Port C V33_ADC P Power VDD for AD (3.3V) VSS_ADC G Power GND for AD V33_REG P 3V Power output from regulator V27_REG P 2.7V Power output from regulator VDD_REG P Power supply for regulator (2.4V~5.5V) VSS_REG G Ground reference for regulator VDD_DAC P Positive 5V supply for push-pull DAC VDD_PDAC P Positive 5V supply for push-pull DAC post driver VSS_PDAC G Ground reference for push-pull DAC post driver VDD_INT P Power for internal block VSS_INT G Ground for internal block CLK SYSTEM/ ICE INTERFACE X32KI I 32KHz Oscillator crystal input/ R32K OSCI X32KO O 32KHz Oscillator crystal output OPTION TEST I TEST Mode selection pin, high is test mode and low is normal mode (Pad internal pull low) DAC AUDP O Audio output of push pull DAC AUDN O Audio output of push pull DAC ACIN U Audio analog mixer in ADC MICP I MIC amplifier input positive (Internal Floating) MICN I MIC amplifier input negative (refer to application circuit) VMIC O Microphone power supply |
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