April 2011
Intermediate to advanced
312 pages
9h 32m
English
Content preview from Interfacing PIC Microcontrollers
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PIC Hardware
13
The program listing includes the source code at the right, with source line
numbers, the hex machine code and the memory location where each instruction
is stored (0000–0004). Notice that some statements are assembler directives, not
instructions: PROCESSOR to specify the MCU type and END to terminate the
source code. These are not converted into machine code.
The ‘877 has 8k of program memory, that is, it can store a maximum of
1024 ⫻ 8 ⫽ 8192 14-bit instructions. By default, it is loaded, and starts
executing, from address zero. In real-time (control) applications, the program
runs continuously, and therefore loops back at the end. ...