ds18b20 not working

C

chandrasekaran_ka

New Member

• Jan 4, 2010

• #1

1 wire protocol

Hi al,

Can i give delay more than what they have mentioned in 1 wire protocol systems..ds18b20 has mentioned 1us delay.can i give 10us delay.will it cause problem

 

Last edited: Jan 4, 2010

T

tresca

Member

• Jan 27, 2010

• #2

what delay are you talking about, there can be many .

 

D

Diver300

Well-Known Member

Most Helpful Member

• Jan 27, 2010

• #3

When writing a 1 or reading the time range is 1 to 15 µs, but that has to include the rise time. 10 µs should be OK.

The time between bits has a minimum of 1 µs but there is no upper limit.

 

T

tresca

Member

• Jan 27, 2010

• #4

I used this as a template and I havent had any problems with it

https://www.electro-tech-online.com/custompdfs/2010/01/doc2579.pdf

Look at page 9 and 10.

This helped me out trying to figure out the timings