87E RF send demo

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87E RF send demo

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xiaohui200808
Contributor III

Hello:#

        there are two kinds of send RF :1  RF DATA buffer  mode,2 MCU Direct mode.I want to use MCU Direct mode.Is there any demo code ?

        I find some code in    FXTH87EDRM.pdf   ,but it do not work .

thank you!

 

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TomasVaverka
NXP TechSupport
NXP TechSupport

Hello Xiaohui,

I included datasheet extracts giving more information on the MCU direct mode below. But in summary the following must be done:

  1. Configure PLLCR3_CODE = 1 to configure direct mode;
  2. Configure RFCR2_SEND = 1 to enable the RF output;
  3. Wait for RF output stage to be stable by monitoring RFCR7_RCTS bit;
  4. Control the RF signal to be high state or low state with RFCR3_DATA bit.

MCU Direct Mode.jpg

Table 77.jpg

I hope it helps.

Best regards,

Tomas

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