• Speed-up computing via coprocessor
    Hello All! Does anybody know if it's possible to speed-up computing if trigonometric functions (eg. sin/cos) by direct access to coprocessor functions via asm modules included in C code? For example...
  • Can simulator approximate real-time?
    I have developed some C51 software and it works fine in the simulator, the only problem is that the simulator goes far too fast! Strings that are only supposed to come out of the serial port once per...
  • 3 little brown squares
    I have been using the Keil tools for a long time and decided to try uVision for the first time and now have 3 projects. 2 hum along just fine, but in the 3rd I get "warning L1 unresolved external symbol...
  • acuisition square wave
    Hello, First, I apologize for the bad English , I'm using a translator atomatico . I started using the card - SAM3U -EK Atmel to generate a square wave and two continuous signals , commanding the PC...
  • Generation of 18k square wave
    How to generate the 18kHz sqaure wave using 8051