FRDM-MCXN947 - LPUART With PLL0 CLK

取消
显示结果 
显示  仅  | 搜索替代 
您的意思是: 
已解决

FRDM-MCXN947 - LPUART With PLL0 CLK

跳至解决方案
1,227 次查看
John_Adams
Contributor I

Hello,
I am trying to use LPUART on FRO_HF (48MHz) with baudrate 320400, but MCUs with interrupt are not able to receive all characters, so there are frequent communication failures. How is it possible to connect to LPUART a clock from PLL0 running at 150MHz? Is it necessary to configure PLL0 somehow?

0 项奖励
回复
1 解答
1,204 次查看
EdwinHz
NXP TechSupport
NXP TechSupport

Hi @John_Adams,

I believe this is a duplicated community post from the one seen here: UART Setup on FRDM-MCXN947 - NXP Community

In order to prevent double efforts, I will continue supporting you on the aforementioned post.

Have a nice day.

BR,
Edwin. 

在原帖中查看解决方案

0 项奖励
回复
1 回复
1,205 次查看
EdwinHz
NXP TechSupport
NXP TechSupport

Hi @John_Adams,

I believe this is a duplicated community post from the one seen here: UART Setup on FRDM-MCXN947 - NXP Community

In order to prevent double efforts, I will continue supporting you on the aforementioned post.

Have a nice day.

BR,
Edwin. 

0 项奖励
回复
%3CLINGO-SUB%20id%3D%22lingo-sub-2004275%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3EFRDM-MCXN947%20-%20%E5%B8%A6%20PLL0%20CLK%20%E7%9A%84%20LPUART%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2004275%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%BD%A0%E5%A5%BD%EF%BC%8C%3CBR%20%2F%3E%E6%88%91%E6%AD%A3%E5%9C%A8%E5%B0%9D%E8%AF%95%E5%9C%A8%20FRO_HF%EF%BC%8848MHz%EF%BC%89%E4%B8%8A%E4%BD%BF%E7%94%A8%E6%B3%A2%E7%89%B9%E7%8E%87%E4%B8%BA%20320400%20%E7%9A%84%20LPUART%EF%BC%8C%E4%BD%86%E5%B8%A6%E6%9C%89%E4%B8%AD%E6%96%AD%E7%9A%84%20MCU%20%E6%97%A0%E6%B3%95%E6%8E%A5%E6%94%B6%E6%89%80%E6%9C%89%E5%AD%97%E7%AC%A6%EF%BC%8C%E5%9B%A0%E6%AD%A4%E7%BB%8F%E5%B8%B8%E5%87%BA%E7%8E%B0%E9%80%9A%E4%BF%A1%E5%A4%B1%E8%B4%A5%E3%80%82%E5%A6%82%E4%BD%95%E5%B0%86%E4%BB%A5%20150MHz%20%E8%BF%90%E8%A1%8C%E7%9A%84%20PLL0%20%E6%97%B6%E9%92%9F%E8%BF%9E%E6%8E%A5%E5%88%B0%20LPUART%EF%BC%9F%E6%98%AF%E5%90%A6%E9%9C%80%E8%A6%81%E4%BB%A5%E6%9F%90%E7%A7%8D%E6%96%B9%E5%BC%8F%E9%85%8D%E7%BD%AE%20PLL0%EF%BC%9F%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-2004275%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CLINGO-LABEL%3E%E6%97%B6%E9%92%9F%7C%E8%AE%A1%E6%97%B6%E5%99%A8%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3E%E9%80%9A%E4%BF%A1%E4%B8%8E%E6%8E%A7%E5%88%B6%EF%BC%88I3C%20%7C%20I2C%20%7C%20SPI%20%7C%20FlexCAN%20%7C%20%E4%BB%A5%E5%A4%AA%E7%BD%91%20%7C%20FlexIO%EF%BC%89%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EMCXN%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2004485%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%E5%9B%9E%E5%A4%8D%EF%BC%9AFRDM-MCXN947%20-%20%E5%B8%A6PLL0%20CLK%E7%9A%84LPUART%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2004485%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%BD%A0%E5%A5%BD%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F243923%22%20target%3D%22_blank%22%3E%40John_Adams%3C%2FA%3E%20%EF%BC%8C%3C%2FP%3E%0A%3CP%3E%E6%88%91%E7%9B%B8%E4%BF%A1%E8%BF%99%E6%98%AF%E4%B8%8E%E6%AD%A4%E5%A4%84%E7%9C%8B%E5%88%B0%E7%9A%84%E7%A4%BE%E5%8C%BA%E5%B8%96%E5%AD%90%E9%87%8D%E5%A4%8D%E7%9A%84%E5%B8%96%E5%AD%90%EF%BC%9A%20%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2FMCX-Microcontrollers%2FUART-Setup-on-FRDM-MCXN947%2Ftd-p%2F2003117%22%20target%3D%22_blank%22%3EFRDM-MCXN947%20%E4%B8%8A%E7%9A%84%20UART%20%E8%AE%BE%E7%BD%AE%20-%20NXP%20%E7%A4%BE%E5%8C%BA%3C%2FA%3E%3C%2FP%3E%0A%3CP%3E%E4%B8%BA%E4%BA%86%E9%81%BF%E5%85%8D%E9%87%8D%E5%A4%8D%E5%8A%AA%E5%8A%9B%EF%BC%8C%E6%88%91%E4%BC%9A%E7%BB%A7%E7%BB%AD%E5%9C%A8%E4%B8%8A%E8%BF%B0%E5%B8%96%E5%AD%90%E4%B8%8A%E6%94%AF%E6%8C%81%E6%82%A8%E3%80%82%3C%2FP%3E%0A%3CP%3E%E7%A5%9D%E4%BD%A0%E4%BB%8A%E5%A4%A9%E8%BF%87%E5%BE%97%E6%84%89%E5%BF%AB%E3%80%82%3C%2FP%3E%0A%3CP%3EBR%2C%3CBR%20%2F%3EEdwin.%26nbsp%3B%3C%2FP%3E%3C%2FLINGO-BODY%3E