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The PIC 16F84 obsolete but still well known.
Is this the favorite
microcontroller
of all time?...
of all time?...
Look here for an introductory circuit and more information an a C program for the PIC16F84.
It was first noticed because you can re-program it using a simple serial interface (ICSP) that is now used across the whole PIC product range and it gave the designer the option to change the function of the circuit without re-wiring it and without removing it from the circuit board.
Today, although it is well known, it is not the best choice for new designs as it has replacements that are more capable but also have the same pinouts e.g. 16F628, 16F627, 16F88 and these parts are cheaper.
These are all pin compatible with the original but offer more features e.g. built in oscillator, built in USART, I2C more timers etc.
Note: For new designs it may be better to choose a different micrcontroller to the 16F84 - having said that if you have already got one then you do have a very capable little processor.
The PIC16F84 has 1 peripheral (Timer 0) 1024k of program memory and 68 Bytes of RAM.
Jump to PIC16F84 pinout.
Jump to PIC16F84 bubble diagram.
Jump to bubble diagram device list.
For a summary of each peripheral block click here.
PIC16F84 PINOUT
PIC16F84
Even though the 16F84 does not have all the in built peripherals it is possible to create software versions of them e.g. USART and I2C can be created in software and work well.
Jump from 16F84 resources to
Best Microcontroller Projects Home Page.
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Including a
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How to drive
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One 8 Bit Port"
with no
interface logic!...
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This costs you : Nothing...  Just fill out the form below and you'll get full C source code and project schematic and description. |
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