FT4222H evaluation module with D version chip. The UMFT4222EV is a development module which uses FT4222H, a Hi-speed USB2.0 to QuadSPI/I2C bridge in compact 32-pin QFN package. The FT4222H requires an external crystal (12MHz) for the internal PLL to operate. It supports multi-voltage IO, 3.3V, 2.5V or 1.8V. It also provides 128 bytes one-time-programmable (OTP) memory space for storing vendor specific information. The FT4222H contains SPI/ I2C configurable interfaces. The I2C interface can be configured as master or slave mode. Typical applications includes USB to single/dual/quad mode SPI master/slave controllers, USB to I2C master/slave interface controller, utilising USB to add system modularity, USB industrial control, USB data acquisition, detect USB dedicated charging ports, USB dongle implementations for Software/hardware encryption and wireless modules.

• UMFT4222EV is fully compliant with the USB 2.0 specification
• SPI interface support for single/dual/quad SPI master mode with configurable target operating speed
• Configurable GPIOs controlled by application software via USB bus
• Support battery charger detection
• Bus-powered and self-powered USB power configurations
• Integrated power-on-reset circuit
• True 3.3V CMOS drive output and TTL input
• UMFT4222EV is supplied as a small PCB designed to plug into a standard 0.8 wide 24 pin DIP socket

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