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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: Flash problem

2005-02-08 by Gus

hold the BL pin then try to connect using philips utility over the 
serial port. If you can't chip is useless.

Gus

--- In lpc2000@yahoogroups.com, "mobilsiten" <petertholander@h...> 
wrote:
> 
> Hi!
> 
> I'm pretty new on this and I think i screwed it up really good 
directly
> 
> I made this code and tried it:
> 
> void writeToFlash()
> {
> 	command[0] = 54; 
> 	iap(command,result,0x7FFFFFF0);
> 		
> 	command[0] = 55;
> 	iap(command,result,0x7FFFFFF0);
> 
> 	//Prepare sector 
> 	command[0] = 50;		// Command
> 	command[1] = 8;			// Start sector
> 	command[2] = 8;			// Stop sector
> 	iap(command,result,0x7FFFFFF0);
> 
> 	//Erase sector 
> 	command[0] = 52;		// Command
> 	command[1] = 8;			// Start sector
> 	command[2] = 8;			// Stop sector
> 	iap(command,result,0x7FFFFFF0);
> 
> }
> 
> Offcourse it didnt work because I forgot to set the CCLK in the 
erase
> part. 
> But this was not all, after this I cant access the CPU again. I get
> this error message: "Memory Missmatch Adress: 0x00000000 Value = 
0x00
> Expected = 0x18". 
> Have I screwed up the CPU totally or is there anything I can do to
> make it work again?
> 
> Please can someone help me?
> 
> Thanks

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