HT42B532-1
HT42B532-1 is USB to I2C Bridge IC manufactured by Holtek Semiconductor.
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 ponents
- USB interface
- USB 2.0 Full Speed patible
- Implements USB protocol posite device:
- munication Device Class (CDC) for munications 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 400k Hz
- Supports Master and Slave modes decided by AP mand
- 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
- Support standard Windows® drivers for Virtual Port (VCP): Windows XP (SP2), Vista, Windows 7, Windows 8, Windows 8.1 (only an INF file is required) and Windows 10.
- Support Android 4.0 or later version and Mac OS X
- Integrated 256 bytes internal true EEPROM for user memory
- Power down and wake-up functions to reduce power consumption
- Package types: 8-pin SOP, 10-pin MSOP
General Description
The HT42B532-x is a high performance USB to I2C bridge controller with fully integrated USB and I2C interface functions, designed for applications that municate with various types of I2C. The device includes a USB 2.0 full speed patible interface which is used for PC mication. The device also includes a fully integrated high speed oscillator which is used for USB and I2C clock generator.
USB Bridge IC Naming Rules
Product Family
HT42B 5 3 2
- x
HT42B = Holtek Bridge...