Specifications
  Cortex-M3 / Cortex-M3 with ETM (AT420/AT425) 
 Date of Issue: 12-Nov-2008  ARM Errata Notice  Document Revision 2.0 
PR326-PRDC-009450 v2.0 
© Copyright ARM Limited 2008. All rights reserved.  Page 4 of 20 
Non Confidential 
Contents 
INTRODUCTION  5 
ERRATA SUMMARY TABLE  7 
ERRATA PRESENT ON RELEASE R2P0-00REL0  8 
563915: Event Register is not set by interrupts and debug  8 
602117:  LDRD with base in list may result in incorrect base register when interrupted or 
faulted  9
ERRATA FIXED ON RELEASE R2P0-00REL0  11 
531064:  SWJ-DP missing POR reset sync  11 
511864:  Cortex-M3 may fetch instructions using incorrect privilege on return from an 
exception  12
532314:  DWT CPI counter increments during sleep  13 
538714:  Cortex-M3 TPIU Clock Domain crossing  14 
548721:  Internal write buffer could be active whilst asleep  15 
463763:  BKPT in debug monitor mode can cause DFSR mismatch  16 
463764:  Core may freeze for SLEEPONEXIT single instruction ISR  17 
463769:  Unaligned MPU fault during a write may cause the wrong data to be written to a 
successful first access  18
ERRATA FIXED ON RELEASE R1P1-01REL0  19 
429964: Async not generated if no trace in previous session  19 
429965:  Trigger packets sometimes not inserted in trace stream  20 










