The FT220XS is an USB 2.0 Full-speed IC, offers a compact bridge to 4-bit SPI/FT1248 interfaces. The device is a FT1248 slave, capable of operating up to 500kbps, with low power consumption (8mA). The IC includes the complete FT-X series feature set and enables USB to be added into a system design quickly and easily over an FT1248 interface.
FT1248 serial parallel interface in 1, 2 or 4-bit wide mode
Similar to an SPI slave in 1-bit mode
Entire USB protocol handled on chip, no USB specific firmware programming required
Fully integrated 2048-byte MTP memory for storing device descriptors and CBUS I/O configuration
Fully integrated clock generation with no external crystal required