jnnewton Member Member since May 15, 2008 Last active May 15, 2008 Total activities 0 Activity feed Recent contributions #Threads 18 years ago 1e820a77-2d4e-4716-b763-81d79b8a6e76 inter-chip (uC, uP, etc.) or inter-board communications. CL is the clock line, DA is the data line. there are master-slave and multi-master...