16F877 programing Vs 16F877A

Started by fjch100 in Piclist16 years ago 3 replies

Hi, I'm using the Tait Flash PIC Programmer and "Classic" interface, I can program a 16F877 but not a 16F877A, what is the...

Hi, I'm using the Tait Flash PIC Programmer and "Classic" interface, I can program a 16F877 but not a 16F877A, what is the difference between both? I can read, erase but not Write the 16F877A. With the 16F877 everything works OK. I try changing the differents soft


scalling down from a 16F877

Started by Dave Mucha in Piclist15 years ago 2 replies

Hi all, I'm looking to scale down from a 16F877 to an 18 pin PIC. hopefully, there is something that is easily that does not need...

Hi all, I'm looking to scale down from a 16F877 to an 18 pin PIC. hopefully, there is something that is easily that does not need much tweeking in software. Anyone have any suggestions ? Dave


Wireless Networking with 16f877?

Started by Kevin Van Winkle in Piclist16 years ago 3 replies

I thought I'd put this query out there in the hopes of not having to reinvent the wheel. I'd like to use a 16f877 (Or...

I thought I'd put this query out there in the hopes of not having to reinvent the wheel. I'd like to use a 16f877 (Or similar) to talk via 802.11b/g. I know of the 8/16 bits kludges of regular NICS to this chip, but was thinking of wireless if anyonw had done i


Sine PWM using 16f877

Started by p.vijayamurugan in Piclist15 years ago 5 replies

hai all this is vijay from India wishing you a happy day i have a requirement to generate a Sine PWm using PIC 16f877. ...

hai all this is vijay from India wishing you a happy day i have a requirement to generate a Sine PWm using PIC 16f877. can anybody help me in developing the logic thanx in advance vijay


16f877

Started by peter hadge in Piclist16 years ago 3 replies

hi all,   if i want to control 8 relays by the 16F877, could i connect these relayes directly to 8 output from the...

hi all,   if i want to control 8 relays by the 16F877, could i connect these relayes directly to 8 output from the PIC without using any kind of buffers or any other components? thanx


BootLoader for 16F872,16F877

Started by R Ramesh in Piclist16 years ago 1 reply

Hi all,   Here I m trying to make an Bootloader for 16F877 and 16F872. I took the info form the ...

Hi all,   Here I m trying to make an Bootloader for 16F877 and 16F872. I took the info form the http://www.microchipc.com/PIC16bootload/   When i made the circuit mentioned in the notes,i


Need help for A/D convator

Started by kamaldias111 in Piclist12 years ago 2 replies

Please any one can help me how to connect CS5532 serial A/D convator chip with pic 16f877 microcontroller.please send...

Please any one can help me how to connect CS5532 serial A/D convator chip with pic 16f877 microcontroller.please send cords??????!!!! Thanks!!! ------------------------------------


floating pins

Started by wdavis364 in Piclist16 years ago 2 replies

I'm using Pic 16f877.If I'm only using Pin RB1, RB2, RB3, OSC 1 & 2 (crystal resonator), and RA0 (Pot) what pins should I pull up or...

I'm using Pic 16f877.If I'm only using Pin RB1, RB2, RB3, OSC 1 & 2 (crystal resonator), and RA0 (Pot) what pins should I pull up or will I be all right to let them float? thanks bill


CAN bus with MicroController

Started by R Ramesh in Piclist15 years ago 2 replies

Hi all,   Now I am trying to use CAN  bus with 16F877 IC, if anybody used CAN bus with micrcontroller , can please send...

Hi all,   Now I am trying to use CAN  bus with 16F877 IC, if anybody used CAN bus with micrcontroller , can please send some CAN bus details,   Thanks Ramesh __________________________________________________


Please help! ..URGENT...

Started by kaps_iit in Piclist16 years ago

Hello friends, I need ur help urgently. I am new to pic micros. I have ccs c compiler .i made very simple programs but it is...

Hello friends, I need ur help urgently. I am new to pic micros. I have ccs c compiler .i made very simple programs but it is not working as expected. 1. program 1. ....PINB.2 is connected to ground always. #include <16f877.h>


Multiplexing PIC ADC

Started by Bakkal Adil in Piclist15 years ago 3 replies

It is possible to build a multiplexing circuitry for the PIC ADC? so we can have more channels than what a PIC have ( ex : 5 for...

It is possible to build a multiplexing circuitry for the PIC ADC? so we can have more channels than what a PIC have ( ex : 5 for 16F876 and 10 for 16F877 ). Speed is not a important point in this.   (no external interfaced ADCs please) _________________________


PicBasic - TMR0 16F877

Started by dino308gt4 in Piclist17 years ago 1 reply

I'm using PicBasic and my project requires taking an analog reading every 100th of a second. Is using TMR0 the best way to do the...

I'm using PicBasic and my project requires taking an analog reading every 100th of a second. Is using TMR0 the best way to do the timing? It looks like the prescaler ratios do not make it possible.


A/D converter...

Started by Ctub in Piclist15 years ago 3 replies

Hi: I'm doing a project with the embedded A/D converter of the 16F877. This must work with bipolar signals then im...

Hi: I'm doing a project with the embedded A/D converter of the 16F877. This must work with bipolar signals then im using two supplys: +2,5volts and -2.5volts for VDD and VSS respectively, the algebraic sum give 5 volts (pot diff)is into the margins of th


Comparing values

Started by Mark Adams in Piclist14 years ago 10 replies

First off Thanks for all of the replies to my post "NEW TO PIC'S" back on Dec 1. I wound up with a DIY programmer, the 150. It seems easy to...

First off Thanks for all of the replies to my post "NEW TO PIC'S" back on Dec 1. I wound up with a DIY programmer, the 150. It seems easy to use but it won't program all of the Pics they say it will. Namely the 16F777 and 16F877. I've been working with assembly in MPLAB IDE and have found the sim tool very helpful. I am working with a 16F870


16f877 cant use ICSP

Started by Anonymous in Piclist15 years ago 13 replies

I have built an ICSP programmer that has worked fine fro my 16f84a both onthe board and in their circuits. But now i picked up...

I have built an ICSP programmer that has worked fine fro my 16f84a both onthe board and in their circuits. But now i picked up some 877's and 16f88's. both support HVP and LVP. In the doc's it states HVP is active all the time and works with standard HVP programmers. I


ICD-2 Problems

Started by Fredrik Krook in Piclist16 years ago 4 replies

Hi! I?m trying to program a circuit... 16F877 and then run it in debugmode... But it doesn?t work... getting the errors listed...

Hi! I?m trying to program a circuit... 16F877 and then run it in debugmode... But it doesn?t work... getting the errors listed below... Does anyone know how to get it to work... Programming Target... ...Erasing Part ...Programming EEPROM Memory


Started by usama mourad in Piclist15 years ago 2 replies

Hi i made a program for pic 16F877 by sourceboost compiler from www.picant.com  but i don't get the correct response i expect....

Hi i made a program for pic 16F877 by sourceboost compiler from www.picant.com  but i don't get the correct response i expect. i'll be very thankfull if anyone know the reson and tell me.


ICSP standard ?

Started by Dave Mucha in Piclist15 years ago 6 replies

Hi all, I've been trying to figure the best way to connect pins for ISCP for a couple chips. 16F877 (40 pin) 16F873 (28 pin) and the...

Hi all, I've been trying to figure the best way to connect pins for ISCP for a couple chips. 16F877 (40 pin) 16F873 (28 pin) and the 16F628(18 pin) one thing that seems to be really consistant is the lack of consistance of which pins on a ICSP header are which. Can anyone offer some guidance ? I'm pretty tempted to use the Olimex


If else if and if then statement for 32 bit

Started by quanbot in Piclist15 years ago

Hi! Could someone please enlighten me how to construct "if.... else if" and "if...then" statement in assemby for 32 bits? I've been...

Hi! Could someone please enlighten me how to construct "if.... else if" and "if...then" statement in assemby for 32 bits? I've been struggling with these though some of you may find it rather easy (in other words, i'm quite stupid). By the way, I'm using 16f877. Thanks! bryan


REQUEST FOR PIC PROGRAM CODE TO SHUTDOWN A COMPUTER

Started by emmamogbolu in Piclist11 years ago 1 reply

I am working on a program with PIC 16F877 to shutdown computer systems remotely from another PC. Can anyone help me with the sourcecode to do...

I am working on a program with PIC 16F877 to shutdown computer systems remotely from another PC. Can anyone help me with the sourcecode to do this, coz the one I came up with cannot shut down VISTA PCs but only Windows XP. Thanks. ------------------------------------