Hi,

jobin40 — Thu, 27 Oct 2016 11:06:11 GMT

HI,

I am developing usb driver for LPC4357. For the working of UBB0 we need to set PLL0 to 480MHZ. But i do have some problems in setting PLL0. Can anyone help with that?

Re: Hi,

kerryzhou — Fri, 04 Nov 2016 07:16:47 GMT

Hi Jabin Tankachan,

Please refer to the LPCopen USB sample code to configure the PLL0 480Mhz, you can download the code from this link:

LPCOpen Software for LPC43XX|NXP

Please choose the MCB4357 sample code, and refer to the USB sample code, this lpcopen USB sample code also use 480Mhz clock.

Besides, there also a PLL calculation tool for your reference, you can get the data of the PLL register settings.

Audio PLL settings calculation tool | www.LPCware.com

Wish it helps you!

If you still have problem, please let me know!

Have a great day,
Kerry

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