Arc Support - Analog Devices ADV7850 Hardware Manual

Function
bg_pix_rep[3:0]
0000 
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010 - 1111

7.21 ARC SUPPORT

The ADV7850 supports four single mode ARC channels. The input for the ARC transmitters is supplied by the SPDIF_IN pin. The ARC
transmitters can be powered down using the following controls.
arc_pwrdn_a[1], IO, Address 0xAC[0]
This control is used to power down the ARC transmitter.
Function
arc_pwrdn_a[1]
0
1 
arc_pwrdn_b[1], IO, Address 0xAC[1]
This control is used to power down the ARC transmitter.
Function
arc_pwrdn_b[1]
0
1 
arc_pwrdn_c[1], IO, Address 0xAC[2]
This control is used to power down the ARC transmitter.
Function
arc_pwrdn_c[1]
0
1 
arc_pwrdn_d[1], IO, Address 0xAC[3]
This control is used to power down the ARC transmitter.
Function
arc_pwrdn_d[1]
0
1 
The SPDIF stream as supplied via the SPDIF_IN hardware pin can be modified before being transferred down the HDMI cable to the
Rev. A May 2012
Description
1x
2x
3x
4x
5x
6x
7x
8x
9x
10x
Reserved
Description
Power up ARC Tx channel A
Power down ARC Tx channel A
Description
Power up ARC Tx channel B
Power down ARC Tx channel B
Description
Power up ARC Tx channel C
Power down ARC Tx channel C
Description
Power up ARC Tx channel D
Power down ARC Tx channel D
163
ADV7850