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  Topic: DS1307 problem I2C
Davsgr

Replies: 6
Views: 8041
 PostForum: General CCS C Discussion   Posted: Sat May 08, 2010 3:22 pm   Subject: DS1307 problem I2C
http://img688.imageshack.us/img688/6058/i2cproblem.th.jpg

PIC are found any slave Confused

I go testing with pull-ups 4K7

Thanks for your answer Very Happy
  Topic: DS1307 problem I2C
Davsgr

Replies: 6
Views: 8041
 PostForum: General CCS C Discussion   Posted: Sat May 08, 2010 2:10 pm   Subject: DS1307 problem I2C
I have see this thread but I have find any solution.

I have 5v on my ds1307 I have a 3v battery I have pull-up resistors (10K) and i have a 32.768 KHz watch crystal.

I can see the signal on the ...
  Topic: DS1307 problem I2C
Davsgr

Replies: 6
Views: 8041
 PostForum: General CCS C Discussion   Posted: Sat May 08, 2010 8:49 am   Subject: DS1307 problem I2C
Hi Smile

I use a 16F887.
This is my code for write and read the first address of the DS1307 :


#use i2c (Master, sda=PIN_C4, SCL=PIN_C3)

int heure;
main()
{

heu ...
 
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