Low Speed Expansion Connector 1

This connector is compatible with 96boards specification.

It provides the following connections:

  • 2x UART
  • 2x I2C
  • 1x SPI
  • 1x PCM
  • 12x GPIOs
  • DC power
  • Ground

GPIOs labelled QUP have additional low speed interface capabilities (UART, SPI, I2C). For more details on how to use the QUP interfaces, request access to the QRB5165 documentation on qualcomm.com. For pin map and GPIO details, see QRB5165 Pin Assignment and GPIO Configuration Spreadsheet (80-PV086-1A).

Several GPIOs can be used to wake up the application processor. Low speed interfaces can be used to control a variety of peripherals, motors, sensors, etc.  Audio interface also available.