Regarding connection between SSI and AUDMUX

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Regarding connection between SSI and AUDMUX

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Contributor II

Hi, 

Please let me make clear about below questions.

 1) Each SSIx(x=1,2,3) is included STCK/STFS/SRCK/SRFS/STXD/SRXD signal lines?

 2) Each SSIx(x=1,2,3) are connected to internal port 1/2/7 of AUDMUX. Is this understanding correct?

 3) we can set port to port connection inside AUDMUX?(default configuration is below figure)

 pastedImage_8.png

 Best regards,

yuji

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4 Replies

Contributor II

Dear Igor, 

Please let me ask an additional question about relationship of signal name for each module; SSI, AUDMUX and  IOMUX.

Below relationship about signal name is correct?

[SSI]                              [AUDMUX(x=3,4,5,6)]                              [IOMUX(x=3,4,5,6)]

1.STCK     <--------->     TxCLKx                            <--------->          AUDx_TXC

2.STFS     <--------->      TxFSx                              <--------->          AUDx_TXFS

3.STXD     <--------->     TxDx                                <--------->          AUDx_TXD

4.SRCK     <--------->     RxCLKx                           <--------->          AUDx_RXC

 (network clk)

5.SRFS     <--------->     RxFSx                             <--------->          AUDx_RXFS

6.SRXD     <--------->    RxDx                               <--------->          AUDx_RXD

 

Br,

Yuji

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NXP TechSupport
NXP TechSupport

Hi Yuji

interconnections are described in AN2628

https://www.nxp.com/docs/en/application-note/AN2628.pdf 

Best regards
igor

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Contributor II

Hi, Igor

thanks for you explanation.

I understood.

Br,

yuji

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NXP TechSupport
NXP TechSupport

Hi Yuji

1. yes

2. this depends on used processor, for example for i.MX6Q it is described in

Table 81. AUDMUX Port Allocation

i.MX 6Dual/6Quad Applications Processors for Consumer Products - Data Sheet

3. right

Best regards
igor
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