Re: [PIC]: 16F628 by Spehro Pefhany .

At 08:40 PM 5/30/01 +0200, you wrote: >The 16f628 seems to be THE 16x84 killer: cheaper, more memory, a UART, etc. >It is even possible to free the OSC and MCLR pins and use these as I/O. But >that raises a question: when MCLR is configured as I/O, and the program does >something with this pin (for instance pull it low), how can I get the chip >in (high-voltage) programming mode? The ICSP guide does not address this >question. I do not know another PIC that is both flash and has an MCLR pin >that can be configured as I/O, so this issue might be specific to this chip. Simple, RA5/~MCLR/THV can only be used as a ST input, see the data sheet for details. Best regards, =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Spehro Pefhany --"it's the network..." "The Journey is the reward" TakeThisOuTspeffRemoveME.....interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email EraseMElistservspam_OUTmitvma.mit.edu with SET PICList DIGEST in the body