【稳定方案】HDMI转CVBS功能MS1830芯片简介

1、【稳定方案】hdmi转cvbs功能ms1830芯片简介general descriptionthe ms1830 is a single chip rgb to cvbs/s-video converter with embedded sdram.it consists of 10-bit triple- for rgb input,itsc/pal encoder with 10-bit for output,integrated osd function it is capable of video enhancement,3d noise reduction,brightness/sah

2、arpness and hue adjustment,which can help the designer acquired video quality.featuresanalog input10-bit triple-adcum analog sampling rate up to 165mspssupports analog input range:0.45v-1.1v(p-p)supports rgbhv inputauto offset/phase adjustmentsupports input resolution up to 1080pauto-mode detectiona

3、uto position(blank)detectionexternal memory controllersupports 2m byte memort size16-bit data accessmemory bus speed up to 135mhzscalerindependent horizontal and vertical scaling up and down from(1/8)x to 8xframe rate conversionvideo enhancementblack/white level expansioncolor transition improvement

4、dynamic peakingdynamic range expansionbrightness saturation,contrast and hue adjustableembedded osdsupports 1 bit drcs character modezoom inone osd window with alpha-blendingoutput format10-bit triple-dac for component video outputsupports cvbs and s-video outputsuports ntsc(j,m,4.43)and pal(b,d,g,h

5、,m,nc,60)2-wire i2c slave interfacepackagetqfp-48 plastic(7mm x 7mm)pb-free and rohs compliantapplicationscar infotmainment devicevga to cvbs adapter/docking stationhandheld/portable devicefunction block diagramfunction descriptionthe ms1830 is a single chip vga to av converter,which support 10-bit

6、quality dac,cvbs and s-video output simultaneouslyhorizontal/vertical scaling and frame rate conversionms1820 horizontal/vertical scaling engine can change the video resolution,which scaling ratio from(1/8)x to 8x both for horizontal and vertical,frame tate conversion engine can change the video frame rate such as 50hz to 60hz.osd enginethe embedded character-based osd engine supports 1 bit drcs character mode. t