FT221X Overview
FT221X USB 8-BIT SPI/FT1248 IC Datasheet Version 1.5 Document No.: FTDI# 263 Future Technology Devices International Ltd. FT221X (USB 8-Bit FT1248 IC) The FT221X is a USB to FTDI’s proprietary FT1248 interface with the following advanced.
FT221X Key Features
- Single chip USB to 1, 2, 4, or 8 bit wide
- Entire USB protocol handled on the chip. No
- USB specific firmware programming required
- Fully integrated 2048 byte multi-timeprogrammable (MTP) memory, storing device
- descriptors and CBUS I/O configuration
- Fully integrated clock generation with no external crystal required plus optional clock output selection enabling a glue
- to external MCU or FPGA
- Data transfer rates to 1MByte/s
- 512 byte receive buffer and 512 byte transmit
- FTDI’s royalty-free Virtual Port (VCP) and Direct (D2XX) drivers eliminate the