FT4222HQ - Hi-Speed USB to SPI/I2C Bridge
The FT4222HQ is a High/Full Speed USB 2.0-to-Quad SPI/I2C device controller in a compact 32-pin QFN package. The device requires an external crystal at 12MHz in order for the internal PLL to operate. It supports multi-voltage IO: 1.8/2.5 and 3.3V and provides 128 bytes one-time-programmable (OTP) memory space for storing vendor-specific information.
FT4222HQ features:
- Data rates: Up to 53.8Mbps in Quad SPI master mode
- Interfaces: I2C Master/Slave, SPI Master/Slave, GPIO
- USB transfer modes: Bulk
- Package: 32-pin VQFN
- I/O voltage: 1.8V to 3.3V
- Virtual COM port: No
- USB host: No
- Channels: Up to 4, depending on mode
- USB Class: Vendor
- Operating temperature: -40°C to +85°C
