Thundercomm Qualcomm Robotics RB5 - GPIOS and Other Signals on LS2

Robotics RB5 Development Kit Hardware User Manual
Copyright© 2020 Thundercomm Technology Co., Ltd. All rights reserved.
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 CCI_I2C_SCL3: Connects to CCI3 of QRB5165 SoC. Be configured to I2C SCL
4.2.6 GPIOs
RB5 implements more GPIOs for low-speed expansion connector. The GPIOs are 1.8V
voltage rail.
 GPIO-M/QUP-B0: Connects to GPIO_125 of QRB5165.
 GPIO-N/QUP-B1: Connects to GPIO_126 of QRB5165.
 GPIO-O/QUP-B2: Connects to GPIO_127 of QRB5165.
 GPIO-P/QUP-B3: Connects to GPIO_128 of QRB5165.
 GPIO-Q/I2S1_WS_LS2: Connects to GPIO_147 of QRB5165. Can be configured as I2S
WS
 GPIO-R/I2S1_CLK_LS2: Connects to GPIO_146 of QRB5165. Can be configured as I2S
CLK
 GPIO-S/I2S1_DATA0_LS2: Connects to GPIO_148 of QRB5165. Can be configured as
I2S DATA
 GPIO-T/I2S1_DATA1_LS2: Connects to GPIO_149 of QRB5165. Can be configured as
I2S DATA
 GPIO-U: Connects to GPIO_144 of QRB5165.
 GPIO-V/I2S1_DATA2_LS2: Connects to GPIO_150 of QRB5165. Can be configured as
I2S DATA.
 GPIO-W/I2S1_DATA3_LS2: Connects to GPIO_144 of QRB5165. Can be configured as
I2S DATA.
 GPIO-X: Connects to GPIO_14 of QRB5165.
 GPIO-Y: Connects to GPIO_145 of QRB5165.
 GPIO-Z: Connects to GPIO_25 of QRB5165
 GPIO-AA: Connects to GPIO_64 of QRB5165.
 GPIO-BB: Connects to GPIO_27 of QRB5165.
 PM GPIO A: Connects to GPIO_6 of PM8150L. Can be configured as PWM signal.
 PM GPIO B: Connects to GPIO_10 of PM8150L. Can be configured as PWM signal.
 PM_AMUX1: Connects to AMUX1 of PM8150L.
 PM_AMUX2: Connects to AMUX1 of PM8150L.
4.2.7 Other signals on Secondary Low Speed Connector
The RB5 board implements more source voltage at the Lowe Speed Expansion Connector.
The signals are:
 USB_VBUS: Connects to VBUS of PM8250 PMIC, Can be configured as an OTG USB