raman00084
Full Member level 6
![Full Member level 6](/styles/images/ranks/flevel3.gif)
in my pic microcontoller 18f4620 i am connecting ds3231 rtc if i use the hard ware i2c it is working fine . if i change to soft i2c and and intrupt the main power 4 - 5 times one of the instance time in ds3231 changes how to solve this issue. can i add low pass rc filter on scl and sda lines?
my pull up resistor is 2.2k i2c speed is 300khz
what value of r and c i must use operating voltage is 3.3v
kindly help
regards
my pull up resistor is 2.2k i2c speed is 300khz
what value of r and c i must use operating voltage is 3.3v
kindly help
regards