On 12/3/05, Chetan Bhargava wrote: > I was looking at WISP628 schematic and notes. I understand that Vcc, > Gnd, MCLR, RB6 and RB7 are used for HV programming but what is the use > of LVP target pin when one is not using LVP? > Also, in the FAQ I noticed that LVP is not possible with WISP628 then > why there is an option for LVP? > > Regards, > > Chetan Please refer to the answer from Wouter, the official source for Wisp628A. It is not for LVP but some PICs require the PGM pin to be low in order not to cause problem during programming. From: "Wouter van Ooijen" Sent: Wednesday, November 30, 2005 6:47 AM Subject: RE: [PIC] LVP, bulk erase and potential problems (and alittleWisp628...) >> The reason I ask is that the Wisp628 has a >> LVP connection/cable. I've never connected >> it to anything myself, and it's not perfectly clear >> from Wouters Wisp628 page *when* it should >> be used. > > I don't realy know when it could be *unconnected* so I always > connect it to the PGM pin (that is, if the chip has one). > > > Wouter van Ooijen -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist