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XR16M654 - 1.62V TO 3.63V QUAD UART

Description

The XR16M6541 (M654) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) each with 64 bytes of transmit and receive FIFOs, programmable transmit and receive FIFO trigger levels, automatic hardware and software flow control, and data rates of up to 16 Mbps at 4X sampling rate.

Features

  • Pin-to-pin compatible with ST16C454, ST16C554, TI’s TL16C754B and NXP’s SC16C654B.
  • Intel or Motorola Data Bus Interface select.
  • Four independent UART channels.
  • Register Set Compatible to 16C550.
  • Data rates of up to 16 Mbps.
  • 64 Byte Transmit FIFO.
  • 64 Byte Receive FIFO with error tags.
  • 4 Selectable TX and RX FIFO Trigger Levels.
  • Automatic Hardware (RTS/CTS) Flow Control.
  • Automatic Software (Xon/Xoff) Flow Control.
  • Progammable Xon/.

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Other Datasheets by Exar (now MaxLinear)

Part Number Description
XR16M654D 1.62V TO 3.63V QUAD UART
XR16M670 1.62V TO 3.63V HIGH PERFORMANCE UART
XR16M680 1.62V TO 3.63V HIGH PERFORMANCE UART
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XR16M570 1.62V TO 3.63V HIGH PERFORMANCE UART

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
XR16M654/654D 1.62V TO 3.63V QUAD UART WITH 64-BYTE FIFO MAY 2008 REV. 1.0.0 GENERAL DESCRIPTION The XR16M6541 (M654) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) each with 64 bytes of transmit and receive FIFOs, programmable transmit and receive FIFO trigger levels, automatic hardware and software flow control, and data rates of up to 16 Mbps at 4X sampling rate. Each UART has a set of registers that provide the user with operating status and control, receiver error indications, and modem serial interface controls. An internal loopback capability allows onboard diagnostics. The M654 is available in a 48pin QFN, 64-pin LQFP, 68-pin PLCC, 80-pin LQFP and 100-pin QFP packages.
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