Features:100% Brand new and high quality!CH375 is a USB bus interface chip to support USB-The hOST and USB-DEVICE/SLAVE equipment the way. CH375 with 8-bit data bus and read, write, chip select control lines and interrupt output can be easily attached to the system bus of the microcontroller/DSP/MCU/MPU controller. USB host mode, CH375 also provides serial communication via serial input, serial output, and interrupt output monolithic/DSP/MCU/MPU connected.2x8 connector, easy with the MCU mount.Jumper selectable, can work in parallel or serial mode.USB status indicator.Onboard 3.3V LDO 1117, provides 800mA current.5V power supply is powered from the target board.12MHZ crystal.Specifications:PCB size: 48mm x 27mmColor: Blue