VC0736 datasheet(34/127 Pages) NEXTCHIP

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NVP6124

Data sheet

02.11.2015 (REV 0.2)

32/125

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

3.2.4. ADATA_SP Output

ADATA_SP supports 3 kinds of output method. Firstly, the output data of ADATA_SP pin is

the exactly same as those of ADATA_REC except output data sequence. The order of output

data is opposite. If the output data order of ADATA_REC is "CH1, CH2, CH9, CH10", the

output data order of ADATA_SP is "CH16, CH15, CH8, CH7". That is to say, two output pin -

ADATA_SP and ADATA_REC are complement relationship. Secondly, one of input signals is

selected as output signal of ADATA_SP. The selectable input signal ranges from analog input

signal to ADATA_PB signal. Lastly, mixed data of input signal is selected as the output signal

of ADATA_SP. The mixing gain of each channel's input signal is determined by internal register

setting value (MIX_RATIO, 0x16 ~ 0x21[7:0], BANK1).

The output configuration of ADATA_SP is determined by internal register setting. First and

second configuration are determined by (R_ADATSP, 0x08[2], BANK1), and second and third

configuration are determined by (L_CH_OUTSEL, 0x24[4:0], BANK1) and (R_CH_OUTSEL,

0x25[4:0], BANK1). In this case, L_CH_OUTSEL and R_CH_OUTSEL select one of input

channels or mixed data.

ASYNC_REC

ADATA_REC

CH1

CH2

CH3

CH4

CH5

CH6

CH7

CH8

CH9

CH10

CH11

CH12

CH13

CH14

CH15

CH16

ADATA_SP

L_CH_OUT

R_CH_OUT

1/fs

Figure 3.8 ADATA_SP Output <I2S mode>

ASYNC_REC

ADATA_REC

CH1

CH2

CH3

CH4

CH5

CH6

CH7

CH8

CH9

CH10

CH11

CH12

CH13

CH14

CH15

CH16

ADATA_SP

L_CH_OUT R_CH_OUT

1/fs

Figure 3.9 ADATA_SP Output <DSP/SSP mode>

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