• difference between 8051 and C8051f411
    Hi all, Iam quite confused to know whats the difference between 8051 and C8051F411.(what does C,F stands for). One more question is when i am seeing the datasheet of c8051f411,it showed me as CIP...
  • difference between 8051 and C8051f411
    Hi all, Iam quite confused to know whats the difference between 8051 and C8051F411.(what does C,F stands for). One more question is when i am seeing the datasheet of c8051f411,it showed me as CIP...
  • WHY the function _WBYTE don't work!
    the codes like follow: #include<absacc.h> #include<reg52.h> #define XRAMTEST XBYTE[0X1111] main() { unsigned char t ; t = XRAMTEST; while(1); } when use the _WBYTE(0x1111,0x55) in the debug...
  • CRC-32 or CRC-16 code
    Dear friends, I'm trying to develop a CRC-32 routine for my V-Star Quisar 320 using the Keil C51 compiler suite. I have found (in the Internet) a sample C code implementing CRC-32 algorithm. Testing...
  • __global_reg() don't work correctly
    I declare a global variable: __global_reg(5) pCPUCB_t Cur_CPUCB; Then I assign a value to this variable: Cur_CPUCB = &CPUCB[0]; But a compiler doesn't generate code for this assigments...