Mark, missed it, my bad. Thanks for the clarification! Bob --- In lpc2000@yahoogroups.com, "Mark Crow" <mcrow@p...> wrote: > Only 4 bits of VPBDIV are for controlling PCLK. The other 4 are for > selecting the CCLK vs XCLK rate (i.e. XCLK = .25 x CCLK or .5 x CCLK or 1 x > CCLK). > -----Original Message----- > From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com]On Behalf Of > lpc2100_fan > Sent: Tuesday, September 06, 2005 8:05 PM > To: lpc2000@yahoogroups.com > Subject: [lpc2000] Re: Who can tell me the relationship between XCLK and > CCLK? > > > Mark, > > if I am not mistaken VPBDIV is there to divide CCLK into PCLK > (Peripheral Clock). XCLK is the external clock, which is identical to > CCLK if the PLL is not used. Otherwise CCLK = XCLK * PLL factor > > Nevertheless I could not find XCLK either in the data sheet or the > Users Manual, how did you come up with these terms? > > Bob > > --- In lpc2000@yahoogroups.com, "Mark Crow" <mcrow@p...> wrote: > > Look at the LPC2000 user manual and look up the VPBDIV register. > > -----Original Message----- > > From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com]On > Behalf Of > > fangneu > > Sent: Monday, September 05, 2005 11:50 PM > > To: lpc2000@yahoogroups.com > > Subject: [lpc2000] Who can tell me the relationship between XCLK > and CCLK? > > > > > > Thank you very much and I wish that somebody can help me!! > > > -------------------------------------------------------------------------- > -- > > -- > > YAHOO! GROUPS LINKS > > > > a.. Visit your group "lpc2000" on the web. > > > > b.. To unsubscribe from this group, send an email to: > > lpc2000-unsubscribe@yahoogroups.com > > > > c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of > > Service. > > > > > > > SPONSORED LINKS Microprocessor Microcontrollers Pic microcontrollers > 8051 microprocessor > > > ---------------------------------------------------------------------------- > -- > YAHOO! GROUPS LINKS > > a.. Visit your group "lpc2000" on the web. > > b.. To unsubscribe from this group, send an email to: > lpc2000-unsubscribe@yahoogroups.com > > c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > > ---------------------------------------------------------------------------- > -- > > > > [Non-text portions of this message have been removed]
Message
Re: Who can tell me the relationship between XCLK and CCLK?
2005-09-07 by lpc2100_fan
Attachments
- No local attachments were found for this message.