REGIN and REGOUT pins on W7500P

Internet MCU W7500x-S2E
1

Hello! We have a question about W7500P crystal. There is an input of REGIN and REGOUT. For what they can be used??? To W7500 Datasheet Manual v1.1.1 about it it is written nothing.

2

Please refer to the following link.

First, please refer to Data Sheet in http://wizwiki.net/wiki/doku.php?id=products:w7500p:documents

Second, refer to Pin Description in http://wizwiki.net/wiki/doku.php?id=products:w7500p:overview:pinassignment

Thanks.

3

Thanks for your answer.