How to security LPC804 after programming software?

[ShiWD]

There is CRP (Code Read Protection) feature available for LPC804 MCU. This CRP is located at address 0x0000 02FC and there NO_ISP / CRP1 / CRP2 / CRP3 / CRP4 these different security levels.

My question is, how to program the security level into this location? by ISP mode only?

[Alice_Yang]

Hello @ShiWD 

You can config the CRP in your project. For example MCUXpresso IDE, enable CRP as below:

then configure CRP value:

About CRP, recommend:

https://www.nxp.com.cn/docs/en/application-note/AN11581.zip 

https://www.nxp.com.cn/docs/en/application-note/AN10968.pdf 

BR

Alice

[ShiWD]

Thank you very much, Alice! With your kind help, LPC804 CRP got success in my product now!

[Alice_Yang]

Welcome!