VGA L2-2 Training Materials Basic Knowledge CCER2-2 VER 1.2 ASUS Confidential VGA Introduction Overview Image Basic P3~P26 Graphics Card Component -P27~P36 Interface P37~P57 VGA Products -P58~P59 Structure Explaining P60~P65 ASUS Confidential VGA Introduction Image Basic ASUS Confidential Equipment Image acquisition Image display Computer system Image storage ASUS Confidential Sampling Analog to Digital(signal) Sampling Pixel Analog signal Digital signal ASUS Confidential Sampling Analog to Digital(image) Sampling Pixel (a) Analog Frame ASUS Confidential (b) Digital Frame Frame and Pixel 24 Pixel 20 row 24×20 column Frame ASUS Confidential Pixel ASUS Confidential Color Format RGB -R (Red) -G (Green) -B (Blue) If R=G=B Gray level image R=G=B=0 Black R=G=B=1 White ASUS Confidential Color Image Color Images - R frame - G frame - B frame + + R frame G frame B frame 10 ASUS Confidential Display port 52 ASUS Confidential Display port 53 ASUS Confidential High-Definition Multimedia Interface Pin TMDS Data2+ The High-Definition Multimedia Interface (HDMI) is a licensable compact audio/video connector interface for transmitting uncompressed digital streams It represents the DRM alternative to consumer analog standards such as RF (coaxial cable), composite video, S-Video, SCART, component video and VGA, and digital standards such as DVI (DVI-D and DVI-I) ASUS Confidential Pin TMDS Data2 Shield Pin TMDS Data2– Pin TMDS Data1+Pin 5TMDS Data1 Shield Pin TMDS Data1– Pin TMDS Data0+ Pin TMDS Data0 Shield Pin TMDS Data0– Pin 10 TMDS Clock+ Pin 11 TMDS Clock Shield Pin 12 TMDS Clock– Pin 13 CEC Pin 14 Reserved (N.C on device) Pin 15 SCL Pin 16 SDA Pin 17 DDC/CEC Ground Pin 18 +5 V Power (max 50 mA) Pin 19 Hot Plug Detect HDTV YPbPr = Component output • Component output for 480i, 480p, 720p and 1080i • Video quality: Component > S-Video > Composite 55 ASUS Confidential Other Connector 3D glasses output CCD/TV Box input VGA monitor output S-Video TV output Composite 56 ASUS Confidential Video Quality Rule of Thumbs < < Composite TV-Out < S-Video (black) < HDTV YPbPr (RGB) < VGA D-Sub (blue) < DVI (white) < Displayport (black)