VC0736 datasheet(103/127 Pages) NEXTCHIP

103 / 127 page

NVP6124

Data sheet

02.11.2015 (REV 0.2)

101/125

4-CH AHD2.0 RX and 9-CH Audio Codec



Registers to Control Audio Detection

ADDRESS

BITS

VALUE

DESCRIPTION

Bank

Addr

30P

25P

0x26

MIX_MUTE_01

[0]

0x00

MIX_MUTE_x

: During mixing, selected channels are muted ( x =

channel value )

mixing data output

mute for selected channel

MIX_MUTE_02

[1]

MIX_MUTE_03

[2]

MIX_MUTE_04

[3]

MIX_MUTE_05

[4]

MIX_MUTE_06

[5]

MIX_MUTE_07

[6]

MIX_MUTE_08

[7]

0x27

MIX_MUTE_09

[0]

MIX_MUTE_10

[1]

MIX_MUTE_11

[2]

MIX_MUTE_12

[3]

MIX_MUTE_13

[4]

MIX_MUTE_14

[5]

MIX_MUTE_15

[6]

MIX_MUTE_16

[7]

0x28

MIX_MUTE_P1

[0]

MIX_MUTE_P2

[1]

MIX_MUTE_P3

[2]

MIX_MUTE_P4

[3]

MIX_MUTE_M1

[4]

MIX_MUTE_M2

[5]

MIX_MUTE_M3

[6]

MIX_MUTE_M4

[7]



Registers to Control Audio Detection

ADDRESS

BITS

VALUE

DESCRIPTION

Bank

Addr

30P

25P

0x29

ADET_MODE

[3]

0x88

ADET_MODE

: Select the method to decide the existence of audio signals.

Absolute amplitude detection mode

Differential amplitude detection mode

ADET_FILT

[2:0]

ADET_FILT

: Set the time to decide the existence of audio signals.

16sec

9sec

3sec

0.6sec

15sec

5sec

1sec

0.5sec

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