The MS9121 is a single chip solution for USB Screen thrower, it integrates USB2.0 device controller & transceiver, Video DAC, and Video & Audio process engine. it can show or extend PC/smart phone/tablet computer screen to larger size display device through USB interface. It supports VGA mode output.


VGA Output resolution up to 1920×1080@60Hz

Default 48KHz/16bit stereo

I2S output

On-chip high speed USB Device

USB Video process engine

USB Audio: UAC speaker 48KHz stereo

Windows XP,10

Andriod5.0 or Higher

Only one 24MHz crystal needed

On-chip PLL

On-chip power on reset

QFN48 (7mm×7mm)

Function Block Diagram