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 compat...