I think I have seen those on my scope during I2C transactions as well. They
look like little shark fins that sometimes get high enough to be seen as a
logic 1. They have no impact on the device as it's just the transition time
between when the master is done transmitting the device address
On 2/18/14, 10:49 AM, k...@cranehome.info k...@cranehome.info wrote:
I think I have seen those on my scope during I2C transactions as well.
They look like little shark fins that sometimes get high enough to be
seen as a logic 1. They have no impact on the device as it's just the
transition
So I am using an I2C IR temperature sensor with the BBB. The device data
sheet recommends performing an EEPROM dump, to store data on the mater.
When I tell it to dump the device responds, nornally, but then something
pulls the SDA line up prematurely for about 5us and then and all the
