Clock / Instruction Cycle Q1 Instruction Fetch Q2 Instruction Decode Q3 Execute Q4 Write Back Pipelining: each instruction is executed in one cycle. Two cycles for JUMP and CALL instructions.
Programming Example Setting PORTB as Output 1. Set RP0 in Status Register to switch to BANK1. This allows access to TRISB. 2. Write 0x00 into TRISB. 3. Clear RP0 in Status Register to switch to BANK0. This allows access to PORTB.
Assembly Programming Steps to write some code 1. Tell the assembler which MPU you are using. 2. Include the header file. 3. Set PC to 0 4. Write some code 5. Keep an endless loop. 6. Use the end directive.
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