• Accessing SFR
    Hi Please, How i implement this code in CARM? ///////////////////////////////////////////// typedef struct _AT91S_RTC { AT91_REG RTC_CR; // Control Register AT91_REG RTC_MR; // Mode Register ...
  • SFR access without keyword "sfr"
    Hi, I'm trying to access SFR memory using the hexa address of the SFR and using only "C" instructions. Since SFR memory is accessed by direct addressing mode, like the first 128 bytes of internal...
  • mapping SFR space
    How would I locate a structure to coincide with the beginning of SFR space for the 8051? address 0x80 of directly assessible data memory. We are using a core8051 (inside an FPGA), and the core8051...
  • 'c' casting in sfr space data
    i have an unusual problem which i'd very much like some help with. i'm using floating point notation in my project, however it is a defacto 16 bit floating point system with a hardware engine doing...
  • Faking indirect SFR access
    Hi everyone, I have an 8051 boot loader for in-system programming. I have a command protocol that allows me to read and write to flash, XRAM, and IRAM over the in-system communications interface...