XR21B1424

Adapts or transmits signals between devices.

Tutorial / documentation

Communication

Quick documentation & first test preparation

  1. Identify component XR21B1424 and its package.
  2. Identify the protocol, logic levels and each pin’s function.
  3. Check required termination and pull-up/pull-down resistors.
  4. Consult the application circuit in the linked documentation before testing.

XR21B1424

USB 2.0 up to 12Mbps, Quad Channel USB UART/FIFO, RS485 capability, LQFP-64

  • USB 2.0 up to 12Mbps, Quad Channel USB UART/FIFO, RS485 capability, LQFP-64
  • Identify the protocol, logic levels and each pin’s function.
  • Check required termination and pull-up/pull-down resistors.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation