FT231XQ / FT231XS

Adapts or transmits signals between devices.

Tutorial / documentation

Communication

Quick documentation & first test preparation

  1. Identify component FT231XQ 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.

FT231XQ

Full Speed USB to Full Handshake UART, QFN-20

  • Full Speed USB to Full Handshake UART, QFN-20
  • 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

FT231XS

Full Speed USB to Full Handshake UART, SSOP-20

  • Full Speed USB to Full Handshake UART, SSOP-20
  • 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