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FlexCAN Errata e2583 (K20F120)

Question asked by Mark Butcher on Dec 21, 2013
Latest reply on Jan 11, 2014 by Mark Butcher

Hi All


Early silicon (0M33Z) had a FlexCAN errata e2583 which requires the OSCERCLK source to be enabled in order for CAN to function properly.


Since I am presently working with CAN on a K20FX512VLQ12 (revision 3N96B) and this errata is no longer is reported the workaround was disabled. However then the problem starts exactly as described in e2583 - the CAN controller won't leave the low power state.


So the workaround has had to be left on.


Is this expected and has maybe the errata not been solved?