XR20M1280 Description
The XR20M12801 (M1280) is a single-channel I2C/ SPI Universal Asynchronous Receiver and Transmitter (UART) with integrated level shifters and 128 bytes of transmit and receive FIFOs. For flexibility in a mixed voltage environment, the M1280 has 4 VCC pins. There is a VCC pin for 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 Key Features
- Integrated Level Shifters on CPU interface, UART
- Selectable I2C/SPI bus interface
- 26MHz maximum SPI clock
- 24Mbps maximum UART data rate
- Up to 16 GPIOs
- 128-Bytes TX and RX FIFOs
- Programmable TX/RX trigger levels
- TX/RX FIFO Level Counters
- Independent TX/RX Baud Rate Generator
- Fractional Baud Rate Generator