MS9126S USB Display IC
The MacroSilicon MS9126S is a USB 2.0 display IC for Digital Out video output. It integrates a USB 2.0 controller, data transceiver, and audio/video processing modules. It supports compressed-video transport over USB, allowing PCs, smartphones, and tablets to mirror or extend display content to a larger display device.
Replacement note: MS9126S is the updated version of MS9127 and can be evaluated as a pin-to-pin replacement.
Key Specifications
| Item | Specification |
|---|---|
| USB interface | USB 2.0 Device with integrated USB video processing |
| Video output | Digital Out |
| Output capability | Digital Out up to 1920 x 1080p @ 60Hz; BT.656/BT.1120; 8/16/24-bit; YUV444/422 and RGB |
| USB audio | UAC digital audio, stereo up to 96 kHz |
| Default audio | 48 kHz / 16-bit stereo |
| Digital audio | I2S output; selected HD models also support HD audio output |
| Audio width / sample rate | Up to 24 bit, up to 96 kHz |
| Operating systems | Windows 7/8/10/11, Android 5.1 or later, macOS 10.15 or later, Linux |
| Clock | External 24 MHz crystal, integrated PLL |
| Power and reset | Built-in 1.2 V power handling and power-on reset |
| Package | QFN-64, 9 mm x 9 mm |
Block Diagram
The block diagram shows the relationship between the USB Device controller, compressed-video transport, audio/video processing, and Digital Out output interface inside MS9126S.
Key Features
- USB compressed-video transport for display mirroring or extended display.
- Integrated USB Device controller, data transceiver, and audio/video processing modules.
- UAC digital audio, default 48 kHz / 16-bit stereo output.
- I2S digital-audio output, up to 24-bit width and 96 kHz sample rate.
- Host support for Windows, Android, macOS, and Linux platforms.
- Requires only a 24 MHz crystal, with integrated PLL and power-on reset related circuitry.
Typical Applications
- USB external display adapters and casting dongles
- PC, smartphone, and tablet display mirroring or extension
- Embedded USB display-output modules
- Meeting-room, education, industrial-control, and portable-display equipment
Design Notes
- MS9126S targets Digital Out output. Select the model according to the required display interface and package size.
- Validate maximum output resolution, audio-output mode, host compatibility, and firmware behavior against official documentation and target host platforms.
- USB display products depend on host-side driver or protocol-stack support; production validation should cover the target Windows, Android, macOS, and Linux versions.
References
- MacroSilicon MS9126S public product page
- USB Display series
- MacroSilicon model summary
- USB Display series
Notes
This page summarizes information from MacroSilicon's public product page. Confirm feature combinations, parameter limits, package details, drivers, and production support against the latest authorized datasheet, reference design, and project validation results.