• SFR'S
    How do I view the contents of sfr's in the UV2 debugger?
  • 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...
  • sfr P1 = 0x90; /* SFR for P1 */
    i was download the code from internet the program is start with these lines -------------------------------- sfr P1 = 0x90; /* SFR for P1 */ sbit P1_0 = P1^0; /* SFR for P1.0 */ sbit P1_1...
  • SFR details
    i have a doubt in SFR. in SFR address for PORT 0 is 0x80; and P0_1=0x81; that means first pin of the port 0. For stack pointer address in the 8051 is 0x81, and how it working with this same address...
  • sfr in xdata
    SFRs are declared in the same fashion as other C variables. The only difference is that the data type specified is sfr rather than char or int. I can't declare sfr to refer xdata. TUSB3210 has some registers...