Vizio P42HDTV10A - Manual (Page 87)

CONFIDENTIAL – DO NOT COPY Page 8-55
File No. SG-0184
The receiver can also process the video data before it is output as show below figure
5. I 2 c Interface to Display Controller
The Controller I 2 c interface (CSDA, CSCL) on the sil9011 is a slave interface capable of
running up to 400KHZ. This bus is used to configure the SIL9011 by reading/writing to the
appropriate registers. The SIL9011 is accessible on the local I
2 c bits at two-device address.
The logic state of the CI2CA pin is latched on the rising edge of REST# providing a choice of
two pairs of device address.
Control of local I 2 c address with CI2CA pin
MM1942 Application
The MM1942 IC is a 5-input 2-output AV switch controlled by the I
2
C BUS developed for use in
television.