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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.
XR20M1280 Datasheet
