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Re: NOR Flash memory write speed.

To: Youngduk Goo <>
Subject: Re: NOR Flash memory write speed.
From: Eugene Surovegin <>
Date: Tue, 12 Sep 2006 09:18:25 -0700
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On Tue, Sep 12, 2006 at 08:40:43PM +0900, Youngduk Goo wrote:
> Hello, all
> I am developing the system using the NOR flash (32MB) and the core is
> about 300MHz mips.
> I wonder how long takes the whole erase and write time to flash memory.
> I tried it on the bootloader. Firstof all, bootloader(YAMON) load the image
> and erase the flash except bootloader region, write the image..
> It took about 14-16minutes.I think it is too long.

Yeah, this seems way too slow. Check if your chip supports "buffer 
write" mode and make sure software uses it.


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