# Wired connectivity

For wired connectivity, Qualcomm Robotics RB5 is supported by the Qualcomm universal
    peripheral (QUP) v3, which is a single core for serial protocols. QUP v3 provides multiple
    low-speed peripheral interfaces like UART, SPI, I2C, and I3C. These peripherals are used to
    interface with external devices like sensors, Bluetooth wireless technology, and
    touchscreen.

- **[QUP v3](https://docs.qualcomm.com/doc/80-88500-4/topic/101_QUP_v3_architecture.html)**  

A single QUP v3 module provides up to eight serial interfaces using its internal serial     engines (SE). There are 3 QUP modules in Qualcomm Robotics RB5 with 20 QUP SEs – QUP 0 with 6     SEs, QUP1 with 8 SEs, and sensor (SSC) QUP with 6 SE.
- **[Bus protocols](https://docs.qualcomm.com/doc/80-88500-4/topic/103_Bus_protocols.html)**  

The bus protocols are UART, SPI, and I2C and I3C. The UART bus supports data rates up     to 4 Mbps. SPI supports the Master mode at a maximum speed of 50 MHz. The inter-integrated     circuit (I2C and I3C) is a two-wire bus that can be routed to multiple devices at various     speeds.
- **[USB](https://docs.qualcomm.com/doc/80-88500-4/topic/106_USB.html)**  

The Qualcomm Robotics RB5 supports super speed (SS) USB (Gen2) controllers. The USB 3.1     core is supported.
- **[PCIe](https://docs.qualcomm.com/doc/80-88500-4/topic/120_PCIe.html)**  

Peripheral component interconnect express (PCIe) is an interface standard for     connecting high-speed components. It is a serial, point-to-point connection between two devices.

Last Published: Aug 18, 2023

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