Top tip, thanks Kev/. ----- Original Message ----- From: "Richard" To: "Microcontroller discussion list - Public." Sent: Wednesday, November 30, 2005 12:07 PM Subject: Re: [PIC] I Can't get a 16F877 to run at 20MHz... > Hi Kevin > > Have a look for the include file for the pic you are using, in this case > 16f877.inc and open it in notepad, it should look like the following. > > ;**************************************************************** > ;* 16F877.INC * > ;* * > ;* By : Leonard Zerman, Jeff Schmoyer * > ;* Notice : Copyright (c) 2003 microEngineering Labs, Inc. * > ;* All Rights Reserved * > ;* Date : 11/07/03 * > ;* Version : 2.45 * > ;* Notes : * > ;**************************************************************** > NOLIST > ifdef PM_USED > LIST > include 'M16F87x.INC' ; PM header > device pic16F877, xt_osc, wdt_on, pwrt_on, lvp_off, protect_off > XALL > NOLIST > else > LIST > LIST p = 16F877, r = dec, w = -302 > INCLUDE "P16F877.INC" ; MPASM Header > __config _XT_OSC & _WDT_ON & _PWRTE_ON & _LVP_OFF & _CP_OFF > NOLIST > endif > LIST > > What you need to do is edit the text and change it from xt to hs watch > case sensitivity if you are using MPASM > > Richard > > ----- Original Message ----- > From: "Kev Pearce (kevp.com)" > To: "Microcontroller discussion list - Public." > Sent: Wednesday, November 30, 2005 10:16 AM > Subject: Re: [PIC] I Can't get a 16F877 to run at 20MHz... > >> Then it, failed then worked..... I then realised for some reason each >> time I reload a new HEX file in the mikroe picusb1 programmer software it >> resets the oscialltor mode to XT!!! How annoying! Tried the lastest >> release no different. I'll post on the mikroe forums to see if this can >> be fixed. >> > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist