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  Topic: 16F688 INTERNAL CLOCK UART PROBLEM
dodang8811

Replies: 8
Views: 12850

PostForum: General CCS C Discussion   Posted: Fri Mar 07, 2014 1:42 am   Subject: Thank you~!
//ezflyr

Thanks. I'll test on a new breadboard and jumper later.

Have a good day~!
  Topic: 16F688 INTERNAL CLOCK UART PROBLEM
dodang8811

Replies: 8
Views: 12850

PostForum: General CCS C Discussion   Posted: Wed Mar 05, 2014 7:55 pm   Subject: It works well on smd type.
Is smd type chip more accurate?

Actually, yesterday I tested on DIP type chip, breadboard and max3232.

And I tested on my product few minutes ago.

In the product, PIC sends data to CPU.

An ...
  Topic: 16F688 INTERNAL CLOCK UART PROBLEM
dodang8811

Replies: 8
Views: 12850

PostForum: General CCS C Discussion   Posted: Wed Mar 05, 2014 6:27 pm   Subject: Thank you but I can't solve the problem yet.
First, I have 3 16f688 chips and the results are all same.

//temtronic

I'm using max3232 chip between PC and PIC.
All frequencies(1M, 2M, 4M, 8M...) sends wrong data.

1) I can't use xtal bec ...
  Topic: 16F688 INTERNAL CLOCK UART PROBLEM
dodang8811

Replies: 8
Views: 12850

PostForum: General CCS C Discussion   Posted: Tue Mar 04, 2014 6:43 pm   Subject: 16F688 INTERNAL CLOCK UART PROBLEM
This is my code but MCU sends wrong message.

#include <16F688.H>
#fuses INTRC_IO, NOWDT, NOBROWNOUT, PUT, NOMCLR
#use delay(internal=4M)
#use rs232(baud=9600,parity=N,xmit=P ...
 
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