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Hi friends,
I am new to this community.Well I have a small doubt. can any one help me?

I have one ".hex" file and while I am trying to write this file to LPC2468 flash memory using flash magic

I am getting message
"failed to read the device signature.Accessing a device using the wrong protocol could render the device
unusable. do you wish to continue?"

I made the settings as below

COM port     COM1
Baud rate    115200
Device        LPC2468
Interface     ISP(None)
Osc Freq     12 MHz