• accessing eram
    I would like to know know how to access the eram in the MCU at89c5131?
  • how to access ERAM in AT89LP51RD2
    How to access ERAM(2 KB on chip memory) in AT89lp51rd2? I have added following code to STARTUP.A51 file. XDATALEN EQU 7FFH ANL AUXR1,#NOT 02H ; AUXR1/Bit 1 (clear to 0 to enable on-chip XRAM)....
  • ERAM and P2
    I am going to use the Philips P89C668 which has 64k flash and 8k ERAM. This allow me to use P0 and P2 for I/O since no external memory chip will be connected. However, if the compiler generates code using...
  • about ERAM
    Hi, Where is ERAM class located? I know that ERAM is copied to RAM at startup but before it is located at ROM, is it RIGHT? But I don't know where in the ROM and its size, can you help me with this...
  • Interrupts for AT89C51CC03
    Hello, I want to programm the interrups for the at89c51cc03 in C. But I can't find how i have to do this. i have the configuration from the datasheet. but how look the "interrupt funktion header...