P1011 Core1 Power

hyoungkikim — Mon, 09 May 2016 03:00:09 GMT

hello experts

i have a P2020 board

to save coset i will plan to use P1011 with the same board

to test program i will like to replace P2020 cpu with P1011 cpu

but the board have Core0, Core1 power Pin connected to Power which can not be disconnected

in P1011 datasheet those pins are "NC"

i just double-check it's OK to connect those pins with Power

thank you

Re: P1011 Core1 Power

alexander_yakov — Mon, 09 May 2016 10:32:36 GMT

Yes, core1 power supply VDD is allowed to be connected to core0/platform power supply VDDC. The following is said in Design Checklist: "In single core devices, VDD can be connected to GND to save power, or else VDD should be connected from VDDC"

Here is a direct link to P1020/P1011 design checklist (application note AN4259):

https://www.nxp.com/webapp/Download?colCode=AN4259&location=null&fsrch=1&sr=1&pageNum=1&Parent_nodeId=&Parent_pageType=

Have a great day,
Alexander

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