Questions tagged [pic16f877a]
The pic16f877a tag has no usage guidance.
14
questions
0
votes
2answers
34 views
pic16f877a problem in timers with proteus simulation
I used PIC16f877A at proteus to do timer interrupt.
The code is pretty simple it has nothing to do rather than setting the timer1 registers , the while(1) loop is ...
0
votes
1answer
54 views
PIC MCU PIC16F887 not working with external power
I am a newbie with PIC doing my first project to understand how PICs work. I have some experience with Arduino and trying to learn PIC now.
I have chosen PIC16F887 (40 pin DIP package) as my first ...
0
votes
2answers
226 views
How do I perform division of two numbers in PIC16F877A in assembly language?
I'm currently using MPLab x IDE for PIC16F877A I want to divide two numbers and find out the quotient ( Let the two numbers be 10 and 4) and store in some register.
I was thinking of a loop which ...
1
vote
0answers
52 views
PIC16F877A stops working when I remove the PICkit 3
I've made codes of different sequences of lights but somehow this one does not work when I remove the PICkit 3, as long as the PICkit is on the circuit works.
I am supplying my circuit with a 5V-3A ...
6
votes
1answer
597 views
0
votes
1answer
154 views
MPLAB X __delay_ms() hangs on PIC16F77A
I'm trying to use the __delay_ms() function to make an LED blink on the PIC16F77A.
The reason I think it stalls on the __delay_ms() function is because whatever I set RB0 to before the delay ...
0
votes
2answers
160 views
Interrupt works only once - PIC16F877a
In my code, I have two interruptions, one is coming from the overflow of the TMR0, and the other one is when a button is pressed.
this is the code in MikroC :
...
0
votes
2answers
105 views
About PIC programming
Hi friends iam new to PIC programming , I'm coding my pic in mikroC pro , please help me out.. iam attaching my file with this!the code i want is message from transceiver should receiver and check ...
0
votes
0answers
324 views
PWM Calculation on PIC16F877
I have an assignment where the PIC is clocked at 16kHz and the output of the the PWM has to be on channel two. The PWM frequency has to be 400Hz and the duty cycle is 10%
Following the manual I ...
-1
votes
1answer
425 views
Simple LED Blinking project - PIC16F877A microController problem
I am trying to simply blink an led light using pic16f877a microcontroller. softwares i am using are, MPLABX IDE, MPLAB IPE and XC8 compiler. I use Pickit 3.5 programmer. My head-aching question is, i ...
0
votes
1answer
25 views
Getting different values while connecting LM35 with PIC16F877A
I am getting different values while giving LM35 output as input to ADC (Pin RA0/AN0) PIC16F877A.
I am not providing any Reference voltage to the microcontroller. I want to make sure that is the ...
2
votes
1answer
218 views
PIC16F877A don't work properly - led blink and 7 segment display problem
I'm trying to control a 7 segment display using PIC16F877A. I'm programming my PIC with a replica PICKIT 3.
I'm uploading my hex code using PICKIT 3 software and MPLABX IDE. I have no problem while I'...
1
vote
1answer
3k views
Programming PIC16F877a using PICKIT3
I'm trying to program a pic16f877a using PICKIT3 and MPLAB without success.
I'm powering the pic with the pickit.
I verified the connections almost 20 times, everythings plugged at the right place , ...
1
vote
1answer
83 views
While loop instructions in pic disassemby not clear
In an efford to save space I try to reduce the generated C code with inline asm("");
Looking at the original disassembly and good working code I do not understand line 0x17E4.
void MENU_BUTTON(...
