Hi, Dave B. Is your external 12.28Mhz clock source working fine with the Lpc2xxx internal clock multiplier? Did you turn on Clock PLL on the LPC2131? Thanks in Advance. --- In lpc2000@yahoogroups.com, "drb5599" <dbutler@c...> wrote: > > Hi Marcio, > Yes, that mode of operation is supported. I have been running a > LPC2131 with an external 12.288MHz clock that is buffered and feeds > everything on my board. Works fine. > > See page 31/32 of the manual. There is some info there although I > agree it is not very clear. Just leave the unused pin 61 (XTAL2) > open. Also, make sure you use the recommended (100pF) coupling cap > for XTAL1. > See figure 7a for slave mode. > > Good Luck, > Dave B. > > > > > > --- In lpc2000@yahoogroups.com, "atmelbr" <atmelbr@y...> wrote: > > > > Hi all, > > If I put an external clock on XTAL1 input (instead of quartz > > crystal) everything will run ok ? I can“t find the answer on > datasheet. > > Thanks, > > Marcio > > >
Message
Re: External clock on LPC2131
2005-11-11 by unity0724
Attachments
- No local attachments were found for this message.