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PIC Chip Pin out diagrams for PIC microcontrollers and other chips.Useful
resources for
PIC Microcontrollers... Sponsored Links...
I have put these PIC chip pin out diagrams here as I am constantly referring to them and it takes ages to find where I put them on the PC. There are also some other common devices as well. I hope you find them useful as well. Note: If you are just starting out I would recommend using the 16F877A or 16F88 and 18F devices are also very easy having compiler friendly memory maps.
12F675 pinoutThe 12F675 is the smallest PIC microcontroller chip and has only 8 pins but as you can see it is packed with multiple functions for each pin. This is a fully expanded pin description and in practice it would be better to reduce the pin descriptions to those you are using (by redefining the library part as below).You could just use the original description using GP1 etc but this doesn't give much useful information - but gives a very small space saving schematic symbol. WARNING READ THE 12F675 1st BEFORE PROGRAMMING to get OSCCAL value out at location 3FFF hex.
This will save you having to re-calibrate the internal oscillator. (More info on the 12F675 page and here.) (Calibration storage : tip for storing the calibration value ) ![]() Other views:
16F84 pinoutThe 16F84 is the most well known of the PIC micrcocontroller chips included here for reference as the it's getting a bit old now. (The 16F88 is a better choice for general project work and has the same pinout). ![]() 16F88 pinoutThe 16F88 is the next largest chip used in the projects and has 18 pins. As there are more pins functions have been spread out amongst them so it's easier to use. ![]() 16F877A pinoutThe
16F877A is the largest chip used (40
pins) in the projects on this site and the pin
functions are much more spread out. This makes it the easiest
chip to use for designs as you can put separate circuits on separate
ports without having to think too much if you are going to need a
different function later on.
![]() MAX232 pinoutThe RS232 level translator chip TTL to RS232 and RS232 to TTL.Note: An equivalent chip is SP202ECP and it lets you use 100nF. ![]() 7805CStandard voltage regulator.![]() Sponsored Links...
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