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SYS_nRESWARM

I have been looking at both the Datasheet and Logic PD schematics for the AM35xx. There's a conflict between the two. The datasheet states that SYS_nRESWARM is open drain while page 2 of the SOM schematics from Logic PD states that it is open collector and no pull should be attached. I'm guessing that the datasheet is correct but could someone please confirm this.

  • As described in the data manual, sys_nreswarm pad is open drain. The detail of the implementation on EVM is described in this wiki article (http://processors.wiki.ti.com/index.php/AM35x_Schematic_Checklist#RESETS).

    Regards,

    Kazunobu Shin