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Re: [lpc2000] USB to RS232 adapter for Flash ISP Ultility downloads?

2005-12-08 by David Hawkins

Joerg Schulze-Clewing wrote:
> Hello,
> 
> Downloading to boards such as Keil's MCB2103 via the Philips flash
> utility requires an RS232 port. However, most new laptops don't have
> one these days.
> 
> In a post a while ago I read that one of the forum members (Varuzhan)
> did this but it wasn't with the newer LPC2103. So, is it likely that
> any USB-RS232 adapter could work or do I have to get a particular version?
> 
> I am asking because this is a tough issue with other uC. For example,
> the JTAG interface for the MSP430 won't work with RS232-Parallel
> adapters even though some adapter vendors claim 100% compatibility.

Hi Joerg,

I've used several USB-RS232 adapters. Both have the Prolific PL2303
chipset in them. The adapters are about $10 each.

I purchased several from TigerDirect.com.

One was a Belkin, the other was a Sabrent.

I just went to TigerDirect and searched for 'USB RS232';

http://www.tigerdirect.com/applications/SearchTools/search.asp?keywords=USB+RS232&image1.x=0&image1.y=0

The Sabrent is the second item - $12.99.

The adapter works fine with LPC boards under Windows XP and
Linux (2.6 kernels).

Cheers
Dave

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