Header file file for ATSAM3X8E

I am using Blinky example in uVision5(Legacy support installed) to just check the proper functionality. In the main source file the header is "sam3xa.h" . But I am not able to locate it. So I searched...
Header file file for ATSAM3X8E

I am using Blinky example in uVision5(Legacy support installed) to just check the proper functionality. In the main source file the header is "sam3xa.h" . But I am not able to locate it. So I searched...
Formula for generating Baud rate for P89V51RD2

I am using P89V51RD2 controller. I am using it in 6 cycles mode. I want ask what is the formula to generate particular baud rate for the UART on mode 1 ?
Formula for generating Baud rate for P89V51RD2

I am using P89V51RD2 controller. I am using it in 6 cycles mode. I want ask what is the formula to generate particular baud rate for the UART on mode 1 ?
Header file for assembly

Is there a STANDARD HEADER file that can be used when writing an assembly language program for AD conversion . Currently I am having to declare the address of port lines and ADDCON1 etc. Is this standard...