LEVY
LEVY User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.O. - Reviewed by N.P. - Copyright © 2022 SECO S.p.A.
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3.2.2.15
Miscellaneous signals
GPIO0 / CAM0_PWR#:
General Purpose I/O #0,
+1.8V_RUN electrical level
GPIO1 / CAM1_PWR#:
General Purpose I/O #1,
+1.8V_RUN electrical level
GPIO2 / CAM0_RST#:
General Purpose I/O #2,
+1.8V_RUN electrical level
GPIO3 / CAM1_RST#:
General Purpose I/O #3,
+1.8V_RUN electrical level
GPIO4 / HDA_RST#:
General Purpose I/O #4,
+1.8V_RUN electrical level
GPIO5 / PWM_OUT:
General Purpose I/O #5,
+1.8V_RUN electrical level
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 10k
Ω
pull-up resistor
