HT42B534-x USB to UART Bridge IC
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 communications and configuration –– Human Interface Device (HID) for user configure USB VID, PID and device description strings
♦♦ Internal 1.
5kΩ pull-high resistor on D+ pin
• Fully-duplex Universal Asynchronous Receiver and Transmitter Interface – ...