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XR20M1280

MaxLinear
Part Number XR20M1280
Manufacturer MaxLinear
Description I2C/SPI UART
Published Apr 7, 2024
Detailed Description XR20M1280 I2C/SPI UART with 128-byte FIFO and Integrated Level Shifters July 5, 2021 Rev. 1.0.1 GENERAL DESCRIPTION ...
Datasheet PDF File XR20M1280 PDF File

XR20M1280
XR20M1280


Overview
XR20M1280 I2C/SPI UART with 128-byte FIFO and Integrated Level Shifters July 5, 2021 Rev.
1.
0.
1 GENERAL DESCRIPTION FEATURES The XR20M1280 is a single-channel I2C/SPI Universal Asynchronous Receiver and Transmitter  Integrated Level Shifters on CPU interface,  UART and GPIO signals (UART) with integrated level shifters and 128 bytes of transmit and receive FIFOs.
For flexibility in a mixed voltage environment, the XR20M1280 has 4 VCC pins.
There is a VCC pin for  Selectable I2C/SPI bus interface  26MHz maximum SPI clock  24Mbps maximum UART data rate the core, a VCC pin for the UART signals, a VCC pin for the CPU interface signals and a VCC pin for the GPIO signals.
The VCC pins for the UART, GPIO and  Up to 8 GPIOs  128-Bytes TX and RX FIFOs I2C/SPI interface signals allow for the XR20M1280 to interface with devices operating at different voltage levels eliminating the need for external voltage level shifters.
The VCC pin for the core voltage helps lower  Programmable TX/RX trigger levels  TX/RX FIFO Level Counters  Independent TX/RX Baud Rate Generator the overall power consumption of applications that use slower data rates.
The Auto RS-485 Half-Duplex Direction control feature simplifies both the hardware and software for  Fractional Baud Rate Generator  Auto RTS/CTS Hardware Flow Control  Auto XON/XOFF Software Flow Control half-duplex RS-485 applications.
In addition, the Multidrop mode with Auto Address detection and Address Byte Control features increase the  Auto RS-485 Half-Duplex Direction Control  Multidrop mode w/ Auto Address Detect (RX) performance by simplifying the software routines.
 Multidrop mode w/ Address Byte Control (TX) The Independent TX/RX Baud Rate Generator feature allows the transmitter and receiver to operate at different baud rates.
In addition, the Fractional  Sleep Mode with Automatic Wake-up  Infrared (IrDA 1.
0 and 1.
1) mode Baud Rate Generator feature provides flexibility for crystal/clock fre...


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