Baseline PIC Assembler Tutorials

This tutorial series introduces the baseline (12-bit) PIC architecture, peripherals, and assembly language.

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Click on the lesson title to read each tutorial (PDF).
Right-click the source code links to save the code for that tutorial to your PC.

1: Lighting an LED
Introducing the PIC12F508/509
Updated 16/8/08 L1 source

2: Flashing an LED
Adding delay loops
Updated 16/8/08 L2 source

3: Writing Modular Code
Subroutines, relocatable modules, memory banking and paging
Updated 16/8/08 L3 source

4: Reading Switches
Internal pull-ups, reading and debouncing simple switches
Updated 24/5/09 L4 source

5: Timer0
Using Timer0 for event timing, delays, debouncing and as a counter
Updated 19/6/09 L5 source

6: Assembler Directives and Macros
MPASM expressions, macros and conditional assembly
Updated 19/6/09 L6 source

7: Sleep Mode, Watchdog and Clock Options
Using sleep mode, wakeup on change, the watchdog timer, and external oscillators
Updated 19/6/09 L7 source

8: Driving 7-Segment LED Displays
Single and multiple 7-segment displays, multiplexing, and BCD counting
Using the PIC16F505
Updated 8/3/08 L8 source

9: Analog Inputs (on baseline devices)
ADC, comparators, hysteresis, fixed and programmable voltage references
Using the PIC16F506
Updated 24/4/08 L9 source

10: Arrays and Long Integer Arithmetic
Indirect addressing, multi-byte addition and subtraction and 8-bit multiplication
Updated 4/6/08 L10 source

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