HT42B532-x USB to I 2C Bridge IC
Features
• Operating Voltage (VDD): 3.3V~5.5V • I2C pins Voltage (VDDIO): 1.8V~VDD (...
HT42B532-x USB to I 2C Bridge IC
Features
Operating
Voltage (VDD): 3.3V~5.5V I2C pins
Voltage (VDDIO): 1.8V~VDD (Less than VDD
voltage)
Fully integrated internal 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 ♦♦ Integrated an internal 1.5kΩ pull-high resistor on D+ pin
Serial Interface – I2C ♦♦ Supports clock rate up to 400kHz ♦♦ Supports Master and Slave modes decided by AP command ♦♦ Supports maximum 62 bytes transmit buffer and 62 bytes receive buffer ♦♦ Supports SDA (Master mode) and SCL or SDA (Slave mode) pins resume signal to request a remote wake-up ♦♦ Supports VDDIO pin for I2C and A0~A1 pins power supply
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