• Stupid question
    Ok be nice, this is my first time using a uP. For the XC167 eval board, the (256k x 16bit)SRAM memory is setup like this. The xc167 A18 through A1 goto A17-A0 on the memory, and the 167 A0 goes to L...
  • a few questions regarding cygnal components
    hi, im using keil ver. 2.38a, c51 compiler ver. 7.06, the cygnal 80c51f124 and i have a few questions regarding the cygnal components: 1. when debugging code larger than 32k, there seems to be a...
  • important
    hi, i'm having problems using timers in AT89C51. I have a timer in an interrupt handler routine. As soon as the "output" variable gets a rising edge, the program enters in the interrupt handler routine...
  • important
    hi, i'm having problems using timers in AT89C51. I have a timer in an interrupt handler routine. As soon as the "output" variable gets a rising edge, the program enters in the interrupt handler routine...
  • Cygnal C8051F310/311 and C51
    I'm new to Keil tools and have a question about using them with the Cygnal F310/311 parts. There is not a simulation driver available for them yet, so what would the best target be for my project?...