Tony K=FCbek wrote > 'In development mode choose > MPlab ice and click on details for device specific limitations' > And behold there it was: >=20 > "Maximum speed 25Mhz" >=20 > For the PCM18XA0 module that is. thanks for the hint. Microchip should document this in their errata. Regards, Frank GSP Sprachtechnologie GmbH Frank Wollenberg HW-Entwicklung Tel.: +49 (0)30 769929-78 Fax: +49 (0)30 769929-12 eMail: f.wollenberg@gsp-berlin.de --=20 GSP Sprachtechnologie GmbH Teltowkanalstr.1, D-12247 Berlin Tel.: +49 (0)30 769929-0 Fax: +49 (0)30 769929-12 eMail: Info@gsp-berlin.de Web: http://www.gsp-berlin.de -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads