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Re: Flash Utility ISP on LPC2138

2005-09-26 by Richard

I had the same problem with the ST parts on an eval board.

Rich

--- In lpc2000@yahoogroups.com, "radim100" <radim100@y...> wrote:
> --- In lpc2000@yahoogroups.com, "radim100" <radim100@y...> wrote:
> > Hi I have a board with LPC2132 MCU . ISP Version 2.2.2. works fine 
> > at all speeds . When I switch on the same board to LPC2138 ( same
> > crystal 14.7456MHz , same board ) I am having download file 
> problems .
> > Switching back and to LPC2132 works fine . After putting LPC2138 ( 
> > different piece of chip ) on again it has similar download 
> problems ( 
> > even at slow speed like 9600,4800 ) . Only difference I can see is 
> > Bootloader ID . Which is on LPC2132 2.0 and on LPC2138 2.11 .
> > IS this problem in Flash Utility or in LPC2138 ?
> > Thanks for suggestions.
> > Radim
> 
> I think I have found problem . It is ST Microelectronics's ST3232EBD
> replacement for MAX3232. Due to shortage of MAX3232 from TI I have 
> replaced this chip with ST Micro chip. It run OK if board was 
> programmed from JTAG and then RS232 port was used to communicat . 
> But ISP ( Phillips and LPC21ISP were crashing  ) . After replacing 
> ST3232EBD to original MAX3232 all is OK again ( wasted 3 days !!!).
> Radim.

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