Vizio L37, Service Manual

Page: 91 / 133

CONFIDENTIAL – DO NOT COPY Page 8- 55
File No. SG-0176
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.