User manual

The I2C protocol
Eight data bits and eight bits address plus two handshake bits.
Ack bit is driven by addressed device, if present and ready.
Used by the CODEC in the DE2-70 for configuration.
The FPGA CODEC and NTSC video decoder devices are configured
using I2C.
We have a couple of CMOS digital cameras that are I2C configured.
EECS 452 Fall 2014 Lecture 5 Page 123/143 Tuesday September 16, 2014