FT4222HQ - USB Hi-Speed to quad SPI/I2C IC
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 and provides 128 bytes one-time-programmable (OTP) memory space for storing vendor-specific information.
| FT4222HQ at a glance | |||
| Data rates | Up to 53.8Mbps in quad SPI master mode | USB Speed | USB 2.0 Hi-Speed |
| USB Transfer Modes | Bulk | Interfaces | I2C Master/Slave, SPI Master/Slave, GPIO |
| USB Host | No | Channels | Up to 4 (depending on mode) |
| USB Class | Vendor | I/O Voltage | 1.8V to 3.3V |
| Operating Temperature | -40°C to +85°C | Virtual Com Port | No |
| Package | 32-pin VQFN | Dimensions (mm) | 5 x 5 |
