1、Support Mode: USB download module adopts SPI interface, supports single, double and four SPI main modes, has configurable target operating speed, and has a data transmission rate of up to 28Mbps, with high performance. 2、Multifunctional: USB development board can be used for accessory connection solutions of mobile phones and tablets, encrypting software and hardware, and detecting USB dedicated charging ports to allow high current batteries in portable devices to be charged. 3、Features: USB development board supports up to 4 slave selection control pins in SPI master mode, and single SPI slave mode, and SCK working frequency is as high as 20MHz. The IC interface supports 7 bit address, fully compatible with v2.1 and v3 specifications of I2C master or slave mode, 4、Remote Wake up: USB2.0 download module supports USB 2.0 pause or resume and remote wake up, and battery charger detection. The internal OTP memory is used to store USB vendor ID(VID), product ID(PID), device serial number, product description string and various other vendor specific data. 5、FT4222H Configuration Mode: USB download module is used for onboard jumper of FT4222H configuration mode, USB power configuration and VCCIO power selection, and integrates power on reset circuit. True 3.3V CMOS drive output and TTL input, and support a wide supply voltage range. Item Type: USB Download Module Material: PCB Type: USB 2.0 Used for Evaluation: FT4222H Package: Bulk Series: FT4222 Type of Product: Interface Development Tools Subcategory: Development Tools Application: USB to Single Mode SPI Master Controller USB to Dual Mode SPI Master Controller USB to Four Mode SPI Master Controller USB to Single SPI Slave Controller USB to IC Host Interface Controller USB to IC Slave Interface Controller Use USB to Increase System Modularity Combined with USB Interface, PC Transmission is Realized for Developing System Communication. USB Industrial Control USB Data Acquisition 1 x USB download module