??? 05/26/09 06:54 Read: times |
#165588 - Great info's Responding to: ???'s previous message |
>Enough of the "handwaving" already!
OK >Please tell us exactly what you intend to display. For displaying simple text e-mail(only text) >Tell us what TV standard (PAL or NTSC) you intend to use. Recently all TVs set already have multidisplay standard(PAL,NTSC,SECAM) >VGA interface and timing will not readily work with TV sets. How do you >intend to attach to the TV set? There's cheap VGA to Video composite kit here. THank's for suggest...Made me switch directly to Video composite design with AT89C2051. >how many characters of text? How are they formatted? How many pixels of >graphics and in what format? Just like very old monochrome display... I'll investigated and compared with the capability of AT89C2051 >How do you intend to generate the video signal with an MCU that supports no >external memory interface? Must I used external memory for simple text(ASCII)? >If it's for a $10 terminal, how do you intend the user to provide input >(keyboard, mental telepathy ...)? Tell me the rice of PS/2 keyboard?3-4US$?? +AT89C2051(0.5US$)+MCS-51+MAX485....I'm counting >What volumes are you thinking about? I'm thinking peoples at my countries which didn't have PCs,laptop,etc. 100 millions??:-)? >What information do you envision conveying from the AT89x2051? Color? >Characters? Graphics? How do you expect to generate those features? Where do >you plan to store them? How do you expect to transfer this information? Just simple text like above description,monocrome(black&white).. from rs-485 network type. Thank you Richard Erlacher,Andy Neil,Valentin,Joe Gold for information Best Regards Jeckson Ben |