We just found an strange problem about GPO_09 setup. In Chap. 4.11 ( top side of Page 638 of 725), we have to set the bit[9] of P3_MUX_CLR to make GPO_09 work as a GPO. But the document said this range P3_MUX_CLR[9:3] is "Reserved, user software should not write ones to reserved bits."
I know you have mentioned that do not fully trust what the document said. This mail is just to confirm with you if our tuning is proper or not.
If you already have a errata for this document or if you have a newer version of UM10326, please kindly show us the download link. We will appreciate that. :-)
Thank you in advanced.
-- Best Regards,
Henry Li SW Engineer of Climax Co. TEL: +886-2-2794-0001 ext.231 FAX: +886-2-2792-6618
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[Ltib] Do you have latest UM10326 errata?,
Li Yuan-Lung<=