*** error 129: MapMem - map size truncated to 128MB

I USED STM32H747 DEV BOARD, I GOT THIS ERROR WHEN I USED TO PROGRAMM ETHERNET, GIVE ANY SOLUTION

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Technical Moderator

Hello @Nagendra Somanapalli and welcome to the STM32 Community :)

Which IDE and firmware version are you using ?

Please provide more details about your issue and environment, so that Community users or ST employees can help you.

Imen

When your question is answered, please close this topic by clicking "Accept as Solution".Thanks Imen

Associate II

Hello,

Can u help me sample code for STM32H747I DISCO board for ethernet communication?

Technical Moderator

Hi @Nagendra Somanapalli

There is a LwIP example in the STM32CubeH7 MCU package that can help you in your application:

STM32Cube_FW_H7_V1.9.0\Projects\STM32H743I-EVAL\Applications\LwIP.

You should refer to the User manual and datasheet for your board that helps you in the pin configuration.

Note that the Ethernet driver will be fully reworked for multiple fixes by 21Q2.

Imen

When your question is answered, please close this topic by clicking "Accept as Solution".Thanks Imen

Guru

Look like a Keil error.

Not sure anyone is going to help unless the situation is more clearly explain

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