Description
strings
Internal 1.5kΩ pull-high resistor on D+ pin
Fully-duplex Universal Asynchronous Receiver and Transmitter Interface
UART
Supports Baud Rate up to 3Mbps
Supports maximum 128 bytes transmit buffer and 128 bytes receive
Features
- Operating Voltage (VDD): 3.3V~5.5V.
- UART pin Voltage (VDDIO): 1.8V~VDD (Less than VDD voltage).
- Power down and wake-up functions to reduce power consumption.
- Fully integrated 12MHz oscillator with 0.25% accuracy for all USB modes which requires no external components.
- USB interface.
- USB 2.0 Full Speed compatible.
- Implements USB protocol composite device:.
- Communication Device Class (CDC) for commu.