16F877 programing Vs 16F877A

Started by fjch100 in Piclist17 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


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!!! ------------------------------------


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.


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


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


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


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. ------------------------------------


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


what does the A in 16F877A means?

Started by mr_gees100_peas in Piclist14 years ago 6 replies

Hi, For a while now I've been wondering what does the A in 16F877A means? I mean what is the difference between a 16F877 and a 16F877A? ...

Hi, For a while now I've been wondering what does the A in 16F877A means? I mean what is the difference between a 16F877 and a 16F877A? My other question is what is a bootloader?


16F877 problem

Started by Gokce Mehmet AY in Piclist15 years ago 3 replies

I use a simple startup routine, where a command is send via RS232 to start the firmware. I simulated my code in ISIS 5.2 and...

I use a simple startup routine, where a command is send via RS232 to start the firmware. I simulated my code in ISIS 5.2 and MPLAB SIM packed with MPLAB IDE 6.2 and it seems that there is no problem. However when I write the code to PIC it just don't work. Program does


balancing robot

Started by haqmaq in Piclist14 years ago

Hi, I've recently completed a balancing robot which utilizes a pic 16f877 as its processor. A couple videos can be seen on my ftp server. ...

Hi, I've recently completed a balancing robot which utilizes a pic 16f877 as its processor. A couple videos can be seen on my ftp server. Its located at: 129.21.251.157 Use username: oopic and password: balbot Iheanyi ------------------------ Yahoo! Groups Sponsor --------------------~--> =20 Everything you need is one=A0click away.=A0 Make Yahoo! your home page=A0no= w. http


20Mhz oscillator and 16f877

Started by xeemv in Piclist17 years ago 4 replies

I have trouble getting the 20 Mhz oscillator to work with 16f877A Oscillator: Saronix 9942k 20.0000 Mhz NCH060C This is what I...

I have trouble getting the 20 Mhz oscillator to work with 16f877A Oscillator: Saronix 9942k 20.0000 Mhz NCH060C This is what I have done so far: 1) I connect the 20 Mhz oscillator to the OSC1 of the PIC and leave the OSC2 open. 2) I define my oscillator speed as


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


Re: 'Tiny' Bootloader

Started by edua...@gmail.com in Piclist11 years ago

Hi, I'm having big trouble getting the tiny bootloader to work on my 16F877. The original one isn't ready for the pic16f877 or the pic16f877A....

Hi, I'm having big trouble getting the tiny bootloader to work on my 16F877. The original one isn't ready for the pic16f877 or the pic16f877A. And I haven't managed to modify the ASM in a way that it works on it. Could you please send me the modified ASM for the PIC16F877 and the PIC16f877A?. > > > > --- In , "John Kent" wrote: > > Has anyone any experience in us


usart PIC16F877

Started by fish_camera in Piclist13 years ago 4 replies

Attempting to troubleshoot problem with usart, asynchronous mode, for a school project. Two 16F877. Using the ICD-2 in circuit debugger. We...

Attempting to troubleshoot problem with usart, asynchronous mode, for a school project. Two 16F877. Using the ICD-2 in circuit debugger. We believe our transmit chip is working but we can't get receive to function correctly. We know interupts will not work while Single stepping in debug mode, but in animate mode interupts should function, correct? How close do the clocks have to be? ...