Seco Smarc LEVY User Manual page 42

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3.2.2.15 Miscellaneous signals

GPIO0 / CAM0_PWR#:

General Purpose I/O #0,

GPIO1 / CAM1_PWR#:

General Purpose I/O #1,

GPIO2 / CAM0_RST#:

General Purpose I/O #2,

GPIO3 / CAM1_RST#:

General Purpose I/O #3,

GPIO4 / HDA_RST#:

General Purpose I/O #4,

GPIO5 / PWM_OUT:

General Purpose I/O #5,

GPIO6 / TACHIN: General Purpose I/O #6, +1.8V_RUN electrical level

GPIO7: General Purpose I/O #7, +1.8V_RUN electrical level

GPIO8: General Purpose I/O #8, +1.8V_RUN electrical level

GPIO9: General Purpose I/O #9, +1.8V_RUN electrical level

GPIO10: General Purpose I/O #10, +1.8V_RUN electrical level

GPIO11: General Purpose I/O #11, +1.8V_RUN electrical level

GPIO12: General Purpose I/O #12, +1.8V_RUN electrical level

GPIO13: General Purpose I/O #13, +1.8V_RUN electrical level

3.2.2.16 Management pins

According to the SMARC specifications, the input pins listed below are all Active Low, meant to be driven by open drain devices on the carrier board:

VIN_PWR_BAD#: Power Bad indication signal from the Carrier Board

CARRIER_PWR_ON: Power On. Command to the Carrier Board. Output, +1.8V_ALW electrical level

CARRIER_STBY#: Stand By command to the Carrier Board. Output, +1.8V_ALW electrical level

RESET_OUT#: General Purpose Reset. Output, +1.8V_ALW electrical level

RESET_IN#: General Purpose Reset. Input, +3.3V_ALW electrical level

POWER_BTN#: Power Button. Input, +3.3V_ALW electrical level

SLEEP#: Sleep indicator from Carrier board. Input, +3.3V_ALW electrical level (Standby not supported)

LID#: LID Switch. Input, +3.3V_ALW electrical level

BATLOW#: Battery Low indication signal from the Carrier Board. Input, +3.3V_ALW electrical level

CHARGING#: Battery Charging Input Signal from the Carrier Board. Input, +3.3V_ALW electrical level

CHARGER_PRSNT#: Battery Charger Present input from the Carrier Board. Input, +3.3V_ALW electrical level

TEST#: Held low by Carrier to invoke Module vendor specific test function(s). Input. +3.3V_ALW electrical level with a 10kΩ pull-up resistor

LEVY

+1.8V_RUN electrical level

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