These were very early devices, only the 210x family was affected. Very few were released, most as samples. --- In lpc2000@yahoogroups.com, "jamesradix1969" <jamesradix1969@y...> wrote: > --- In lpc2000@yahoogroups.com, "tsvetanusunov" <tusunov@m...> wrote: > > --- In lpc2000@yahoogroups.com, "g2100g" <g2100g@e...> wrote: > > > 1) Other than the report from Tsvetan (messages 1236/1249/1257), > is > > > anyone aware of problems related to Power Supply sequencing or > rise > > > times? > > > > > > 2) Is anyone aware of any other problems of the processor going > > into > > > a latchup state? > > > > This may be interesting to group members who have early revisions > of > > LPC2106 still unused or in devices working in the field. > > Philips have receive two sample boards which had the latchup > problem > > described by me. This is the reply I received yesterday: > > > > "The boards were experiencing a flash latchup problem associated > with > > very early versions/samples of those parts (Rev. B). The current > > revision (C) does not have this problem. Make sure that the reset > > circuit provides at least a reset duration of a least 10ms at > power > > up and 300ns thereafter. > > > > Richard" > > > > > > Best regards > > Tsvetan > > How can you tell which version of the chip you have? Is it part of > the printed markings on the chip? Do other family members (2129) > have this problem too? > Thanks, > James
Message
Re: Power Supply Sequencing - Latchup - FOLLOWUP
2004-09-10 by Richard
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