• Storing GPIF Constants in XDATA
    Hi there! I am using the evaluation version (4k) of the C51 compiler with a Cypress CY7C64603 device. I am trying to use the GPIF section of this device using a set of variables stored as: const...
  • Xdata Variables not accessable
    Dear Experts, I am a newbie to Keil and using the PK51 development kit with Rev:9.03 to develop firmware for my CC2430 controller. The problem I am seeing is, when ever I create a large array (ex:...
  • xdata access, how ?
    Dear sir, i am is a student in physic department,i use uVision IDE for 8051 ver 6.20c, build a single board computer, with core is AT89S52,one Dallas RTC 12C887,and an 8255 PPI, both (RTC & PPI) connected...
  • How to access the XDATA
    My external EEPROM (I2C) is AT24C32. In our code the XDATA is about 400Bytes. How to seperate the Code (program) memory and Data memory, how to access the XDATA.
  • Storing ADC values in C8051F206 memory
    Dear all, I am new to C8051 assembly language programming. To start off, my supervisor has tasked me to acquire DC signals into the ADC and store them in memory locations. The next phase will be...