Vizio L42HDTV10A, GV42L HDTV I2c Interface to Display Controller, TDA8946 Application

The receiver can also process the video data before it is output as show below figure

5. I2c Interface to Display Controller

The Controller I2c interface (CSDA, CSCL) on the MT8293 is a slave interface capable of running up to 400KHZ. This bus is used to configure the MT8293 by reading/writing to the appropriate registers. The MT8293 is accessible on the local I2c 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 I2c address with CI2CA pin

TDA8946 Application

In L32 TV the TDA8946AJ is a dual-channel audio power amplifier with DC gain control. It has an output power of 2 × 10 W at an 8 Ω load and a 12 V supply.

CONFIDENTIAL – DO NOT COPY	Page 7-28
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