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XR20M1172 - TWO CHANNEL I2C/SPI UART

Description

The XR20M11721 (M1172) is a high performance two channel universal asynchronous receiver and transmitter (UART) with 64 byte TX and RX FIFOs and a selectable I2C/SPI slave interface.

The M1172 operates from 1.62 to 3.63 volts.

Features

  • include 16 selectable TX and RX FIFO trigger levels, automatic hardware (RTS/CTS) and software (Xon/Xoff) flow control, and a complete modem interface. Onboard registers provide the user with operational status and data error flags. An internal loopback capability allows system diagnostics. Additional enhanced features includes a programmable fractional baud rate generator and 8X and 4X sampling rate that allows for a maximum baud rate of 16 Mbps at 3.3V. The M1172 is available in the 32-pin QFN.

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Datasheet preview – XR20M1172

Datasheet Details

Part number XR20M1172
Manufacturer Exar (now MaxLinear)
File Size 584.85 KB
Description TWO CHANNEL I2C/SPI UART
Datasheet download datasheet XR20M1172 Datasheet
Additional preview pages of the XR20M1172 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com JUNE 2007 XR20M1172 TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO REV. 1.0.0 GENERAL DESCRIPTION The XR20M11721 (M1172) is a high performance two channel universal asynchronous receiver and transmitter (UART) with 64 byte TX and RX FIFOs and a selectable I2C/SPI slave interface. The M1172 operates from 1.62 to 3.63 volts. The standard features include 16 selectable TX and RX FIFO trigger levels, automatic hardware (RTS/CTS) and software (Xon/Xoff) flow control, and a complete modem interface. Onboard registers provide the user with operational status and data error flags. An internal loopback capability allows system diagnostics.
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