• keyboard controller
    can somebody help me out on how to interface an 8051 ic to a 8742 keyboard controller ic..?? i am connecting a keyboard through a ps2 connector to the board...this interface is controlled by 8742..how...
  • 'H386' CONTROL
    Hi: I got the following error message "*** ERROR: ADDRESS OUTSIDE INTEL-HEX RANGE (USE 'H386' CONTROL)" when I was trying to build my project. Does anyone know the difference between HEX-80 and HEX...
  • help for controller
    hay i am bigineer of microcontroller 8051 and i dont have extra knowledge about it would u like to send me some related data useful for me i want to go in depth of comtroller and i m a good programmer...
  • #not control in A51
    Could someone help me with the following: mov a,#not 0x08 will simply place the value 0x08 into accumulator. The following however does not work and I would like to know why: bit_mask equ...
  • Nuvoton controller
    We are using the Nuvoton N79E352 for my application. In that, we are using the p0 as key board interrupt port. if any key is pressed then KBF flag is set by controller. But we don't know how to check...