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How to use i.MX6SDL ENET_CRS_DV pad for CRS for RMII mode.

Question asked by Satoshi Shimoda on Dec 26, 2013
Latest reply on Jan 5, 2014 by Satoshi Shimoda

Hi all,

 

 

I consider using i.MX6DL RMII.

Please see Table 23-1 in IMX6SDLRM (Rev.1).

It shows ENET_CRS_DV pad can use for generating the CRS signal in RMII mode.

However, in chapter 37.4.117, there is no description about "CRS".

So I understand I can use ENET_CRS_DV pad to generate CRS in RMII mode with the following setting.

Is my understanding correct?

 

1. Set MUX_MODE field in chapter 37.4.117 to 001b (ALT1 ENET_RX_EN).

2. Set DAISY bit in chapter 37.4.517 to 0 (ENET_CRS_DV_ALT1).

 

If some adittional setting is required, could you let me know it?

 

 

Best Regards,

Satoshi Shimoda

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