• Flash Erase
    hi Is there a chance of code erase in flash during operation of C8051F120 .If so how to prevent it.my code is not working properly during extreme temperature around -40 (i thounght some flash memory...
  • Microcontroller erases all blocks except block 0.
    I am using a P89C51Rd+ from Philips. I have been testing my software in this microcontroller.But last night with no apparent reason it stoped to erase the block 0 of the FLASH.It simply does not erase...
  • Flash Erase
    Hello, I have stored data sucessfully in flash memory but when I erase to burn a new program, my saved data at a particular location in flash memory also gets erased. I want the data to stay and want...
  • How to flash some pages without erasing others ?
    Hi. We are using Keil uV4 IDE and ULINK2 (and AT91SAM7X512 MCU). We have the following situation/configuration: - Our data is located at the end of the FLASH memory. - Our firmware is located...
  • Configuration bytes for P89C66X
    I'm using a philips emulator and it's emulation software (PDS51) as well as the latest Keil 7.07a compiler. I've added "startup.a51" to my project. According to my emulation software, the P89C66X has...