NTM88 Baud rate problem

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NTM88 Baud rate problem

1,595 次查看
dongyong1
Contributor I

Dear NXP  Engineers

      I set the baud rate according to the datasheet (9600 bit/s,$33), but the actual interval is 54us-48us. unstable. Are there other registers that need to be set?

dongyong1_0-1712999827258.png

dongyong1_1-1713000173146.jpeg

 

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2 回复数

1,559 次查看
guoweisun
NXP TechSupport
NXP TechSupport

HI

精度的话主要是两点要明白:

1: 晶振频率本身就有个误差这个是无法避免的。

2:计算公司自带一个误差也是无法避免的

guoweisun_0-1713168230011.png

 

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1,552 次查看
dongyong1
Contributor I

这个应该和晶振什么的没关系,问题只会出现在配置单峰,且要使用NRZ和433发送(这样就会出现发送数据不稳定)。如下图所示:

dongyong1_3-1713246175690.jpeg

 

 

 

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