PIC16F874 PDF

PIC PIC® 16F Microcontroller IC 8-Bit 4MHz 7KB (4K x 14) FLASH PLCC ( x). This part can be programmed by Digi-Key; for details please contact our custom department at x or @ The PIC16F/P is a mid-range PIC16 family 8-bit powerful ( nanosecond instruction execution) yet easy-to-program (only 35 single word instructions).

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Attached Image s 1 14 Replies Related Threads. If it’s recommended to set them by pc16f874can you give me the pi1c6f874 code for that. Actually it’s the first time i use a 3 pin oscillatorso I don’t need the capacitors? Do not use my alias in your message body when replying, your message will disappear The product does not contain any of the restricted substances in concentrations and applications banned by the Directive, and for components, the product is capable of being worked on at the higher temperatures required by lead—free soldering.

Check that with a scope or frequency meter. Here is a good tutorial that will help: If pc16f874 have already tried 2 PIC16F chips then pic16f74 is unlikely to be the PIC – they are ;ic16f874 robust and unless both are pulls from the same previous catastrophically failed project, they would be unlikely to be blown the same way and still program and verify. I’m starting to wonder if the MCU is damaged although I’m using 4. M Super Member Total Posts: This does not directly effect your code since you are only using portB which is only digital but if you use portA for digital then you will need to disable the analog features.

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Problems with Programming Oscillator in XC16 Is it possible to stretch a pulse signal using only microcontroller?

PIC 16F not working | Microchip

Makram New Member Total Posts: To be sure check the resonator’s data sheet. You should try setting lic16f874 in your code which may work better. User Control Panel Log out. I wouldn’t trust the K programmer even if it is a genuine Kits ‘r Us one. Now supplanted by Flash based variants these Why does my PIC32 run slower than expected?

Good catch from Alan. Can anyone suggest some solutions? Didcot, United Kingdom Status: I’m using a 4mhz 3 pin ceramic resonator with 22pf capacitors connected to it.

In addition, some of the ports default to analog inputs. I tested the source code using proteus and it worked fine. I have the decoupling capacitors between each vdd and vss pair. Originally launched as One Time Programmable OTP parts, this range of devices continues to expand as extra features and further improvements are added. Forums Posts Latest Posts. Essentials Only Full Version. Microcontroller Features 20 MHz Max. Devices with Baseline, Mid-Range or Enhanced Mid-Range architecture are available with numerous different peripheral combinations, giving designers flexibility and choice for their applications.

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This powerful nanosecond instruction execution yet easy-to-program Schematic looks ok if you have the Vdd and Vss pins connected with a 0.

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I am using Micropro and a K programmer. The product does not contain any of the restricted substances in concentrations and applications banned by the Directive, and for components, the product is capable of being worked on at the higher temperatures required by lead—free soldering The restricted substances and maximum allowed concentrations in the homogenous material are, by weight: Antipodean Super Member Total Posts: Standard Pack Production Pack.

How are you programming the code into the PIC? COO Country of Origin: RS Components Statement of conformity. That should get your PIC running at approx 3.

You say you are using a oic16f874 terminal resonator with external capacitors – should it have external capacitors? Forum Themes Elegant Mobile. The three term resonators typically have the caps built in so no external caps are needed.

PIC 16F874 not working

Try a RC oscillator. If you can get a PIC16F Ait uses a slightly different programming algorithm and may work better with your programmer.

Haven’t received registration validation E-mail? I removed the external capacitors however the problem isn’t solved.