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A strange problem with Ethernet

Srinivas Reddy

Hi all,

I have a strange problem with Ethernet,

I am having two evolution boards

1. MCB2300Vers.3
2. MCB2300Vers.3.1

In this EMAC example code from LPC2300 examples running perfectly in 1st board, where as in 2nd board it is not working.

If i debug the code by connecting ULINK2, the debugger lost control on board while executing the instruction

MAC_MAC1 = 0;

And then on-words ULINK2 is unable to load the code until unless the controller is forcibly taken into ISP mode.

Is there any problem with Ethernet controller in LPC2368 in MCB2300Vers.3.1?