Key Technical Specifications
- Protocol Conversion: Bridge between I2C/SPI and UART.
- Baud Rates: Supports data rates up to 5 Mbps.
- Buffer: Features a 64-byte FIFO for both receiving and transmitting.
- Voltage: Operates at 3.3V or 2.5V, but typically includes a 3.3V regulator; pins are 5.5V tolerant, making it compatible with 5V controllers.
- Onboard Clock: Usually equipped with a 14.7456 MHz crystal (though older versions used 12.288 MHz).
- GPIO: Provides 8 additional programmable general-purpose I/O pins.