Single Hi-Speed USB 2.0 chip (FT4222H) to flexible and configurable SPI/I²C interfaces.
SPI interface support for Single / Dual / Quad SPI Master Mode with configurable target operating speed.
Up to 28Mbps data transfer rate in SPI mode with quad data mode.
Support up to 4 slave selection control pins in SPI master mode.
Support Single SPI Slave Mode with SCK operating frequency up to 20MHz.
I²C interface support 7-bits address and fully compatible to v2.1 and v3 specification for I2C Master/Slave Mode with configurable target operating speed for 100kbit/S standard mode, 400kbit/S fast mode 1Mbit/S Fast mode plus and 3.4Mbit/S high speed mode.
Configurable GPIOs controlled by application software via USB bus
Fully support USB2.0 suspend/resume and remote wakeup
Support Battery Charger Detection
OTP memory inside for USB Vendor ID (VID), Product ID (PID), device serial number, product description string and various other vendor specific data.
USB Power Configurations; bus-powered and self-powered.
On board jumper for FT4222H configuration mode, USB power configuration and VCCIO source selection
Integrated power-on-reset circuit.
True 3.3V CMOS drive output and TTL input. (operates down to 1.8V with external 1.8V power input to VCCIO)
Support wide supply voltage range.
USB2.0 Low operating and suspend current; 68mA (active-typ.) and 375uA (suspend-typ.).
