The FT220XQ 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
- Data transfer rates to 500kbps
- 512-byte receive buffer and 512-byte transmit buffer utilising buffer smoothing technology
- FTDI's royalty-free virtual com port (VCP) and direct (D2XX) drivers
- Configurable CBUS I/O pin
- Device supplied pre-programmed with unique USB serial number
- Supports bus powered, self powered and high-power bus powered USB configurations
- Integrated +3.3V level converter for USB I/O
- True 3.3V CMOS drive output and TTL input (operates down to 1V8 with external pull-ups)
- I/O levels from 1.8 to 3.3V (5V tolerant inputs)
- Configurable I/O pin output drive strength
- Battery charger detection
- Integrated power-on-reset circuit
- Internal 3.3/1.8V LDO regulators
- Low operating current of 8mA (typical) and USB suspend current of 125μA (typical) current
- Low USB bandwidth consumption
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