The MS1825 is a multi-functions video processor chip. It consists of 4 independent channel HDMI inputs and 4 independent channel HDMI outputs, also includes 24 bits’ digital video input or output and 1 channel I2S & SPDIF digital audio input or output. Support 4 OSD windows with embedded font library. It can accept interlaced or progressive video input and graphic input. It has four independent video playback engines which can support PIP or POP application. Also can split one input picture into maximum four parts. In all video input & output channels, it provides a high quality display output. It is capable of advanced de-interlacing, video enhancement and frame rate conversion. OEMs can easily design a low cost and high quality system solution by MS1825’s high integration and Software support.


4 independent channel for both input and output

Supports interlace and progressive SD

Up to 4K@30Hz

Supports 1080p HD

Signal range: 500mV

Supports SDR & DDR data rate

HDMI 1.4&DVI1.0

Supports one channel SPDIF & I2S digital audio

HDCP 1.4

Independent horizontal and vertical scaling

Support extensive video format: CEA-861-F, VESA

Frame rate conversion

Support RGB/YCbCr444/YCbCr422 color space

16-bit data access

Support RGB/BT601/BT709 calorimetry

Memory bus speed up to 188MHz

Support 8/10/12/16 bits color depth

Support HD 1080I to 1080P conversion

Input video timing & info frame auto detection

Support SD NTSC/PAL to 480P/576P conversion

Embedded programmable 512 bytes (maximum) EDID

Edge correction de-interlace

Input HPD programmable & output HPD auto detection

Global noise reduction

Input auto EQ

3:2/2:2 pull-down detection

Audio sample rate from 32KHz to 192KHz

Brightness, saturation, contrast, HUE adjustment

Supports 24-bit RGB/YUV digital

Embedded 1bpp font library

Supports 16-bit YUV 4:2:2

Four OSD window with alpha-blending

Supports 8-bit BT656, 601

HLQFP216 (24mmX24mm)

Supports 8-bit BT1120

3.3V/1.2V power supply

Function Block Diagram