Sean Breheny email (remove spam text)
I'm trying to use the TWI interface on two Atmega128s to make them talk
to each other. It is mostly working but occasionally, the master will get
stuck with its SCL line high and SDA line low. Even if I disconnect it
from the slave it remains this way. As far as I know, there isn't
supposed to be any way for a master to get stuck unless the slave is
pulling the clock line low.
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See also: www.piclist.com/techref/index.htm?key=twi+mode
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