So far I haven't been required to deal with UL 1998. In what situations does it apply? --Lawrence ----- Original Message ----- From: "Spehro Pefhany" To: Sent: Wednesday, March 06, 2002 8:31 AM Subject: Re: [PIC]: UL 1998 requirements > At 08:06 AM 3/6/02 -0600, you wrote: > >Has anybody dealt with UL 1998 requirements? In some situations, this rule > >requires a microcontroller to do a checksum on it's own memory. If I > >understand this correctly, only the PIC 16F8XX flash parts are able to > >accomplish this. > > Hi, Lawrence:- > > There is also one non-FLASH member of the 16Cxxx family that can do it, > presumably Microchip developed it to meet the standards for safety-critical > software such as UL1998. Sorry, I don't remember the exact part number at > the moment. I'd think that in your business an approved thermal cutoff > would be a better solution than trying to make a UL1998 limit controller. > > Best regards, > > Spehro Pefhany --"it's the network..." "The Journey is the reward" > speff@interlog.com Info for manufacturers: http://www.trexon.com > Embedded software/hardware/analog Info for designers: http://www.speff.com > 9/11 United we Stand > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body