• 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...
  • 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...
  • abort message when accessing sfr space
    Hi. I'm using the LPC2103 from NXP. When I want to set the SPI1 register SSPCR0 (which is located at address 0xE0068000) the simulator responds with a "Data abort". The same situation occurs...
  • abort message when accessing sfr space
    Hi. I'm using the LPC2103 from NXP. When I want to set the SPI1 register SSPCR0 (which is located at address 0xE0068000) the simulator responds with a "Data abort". The same situation occurs...
  • cannot read SFR memory space (in asm)
    Hello i have this code to read int.ram and copy to ext.ram MOV R0,#00H MOV R1,#0FFH MOV DPTR,#7C00H reload: NOP MOV A,@R0 MOVX @DPTR,A INC R0 INC DPTR DJNZ R1,reload but the memory...