• memory problem
    hello everyone, i am writing program in 'c' i have bcd to hex routine in which i am using 2 variable of unsigned int data type initialised to '0' and '1000' resp eg: unsigned int a=0; program...
  • memory problem
    I am facing a problem of memory mapping .I have assigned the xdata start in the startup.a51 file at 0c000H with length 1000h bytes .I have also tried configuring the linker with xdata allocation .Do i...
  • Problem in using Xdata Memory
    Hi all... I have a very small issue.... i have written a code to send messages through SIM800 using SST89E516RD2 microcontroller. code is:- #include <sst89e516rd2.h> sbit row0=P2^4; sbit row1...
  • Memory problems idata
    Hi Ken, I understand that the 8051 has 256 bytes of internal data. Well, after declaring variables and array's, I get the error *** ERROR 107: ADDRESS SPACE OVERFLOW SPACE: DATA SEGMENT: _DATA_GROUP_...
  • memory allocation problem
    I have used transceiver Nordic NRF9e5 which has embedded 8051. It has 256 bytes data memory which is a part of 4kbytes. I have a problem as follows - when my variables are larger than the lower part...