FT4222HQ-D-T

FT4222HQ-D-T is a high/full-speed USB 2.0-to-quad SPI/I²C device controller. This 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-byte one-time-programmable (OTP) memory space for storing vendor-specific information. Applications include USB to single mode SPI host controller, USB to dual mode SPI host controller, USB to quad mode SPI host controller, USB to single SPI server controller, USB to I²C host interface controller, USB to I²C server interface controller, utilizing USB to add system modularity, incorporate USB interface to enable PC transfers for development system communication, USB industrial control, USB data acquisition, accessory connectivity solutions for mobiles and tablets, USB dongle implementations for software/hardware encryption and wireless modules, detect USB dedicated charging ports, to allow for high-current battery charging in portable device.

• Single chip USB2.0 Hi-speed to SPI/I²C bridge with a variety of configurations
• Entire USB protocol handled on the chip, no USB specific firmware programming required
• Configurable industry-standard SPI interface controller
• Support configurable data width with single, dual, quad data width transfer mode in SPI host
• SCK can support up to 30MHz in SPI
• Up to 53.8Mbps data transfer rate in SPI with quad mode transfer
• Support single bit data transfer with full-duplex transfer in SPI server register
• Support up to 4 channels server selection control pins in SPI host application
• Configurable GPIOs can be easily controlled by software applications via USB bus
• Ambient operating temperature range from -40°C to +85°C, VQFN-32 package