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 7 of 20 
Non Confidential 
Errata Summary Table 
The errata associated with this product affect product versions as below. 
A cell shown thus  X  indicates that the defect affects the revision shown at the top of that column. 
ID  Cat  Summary of Erratum 
r1p1-00rel0 
r1p1-01rel0 
r2p0-00rel0 
602117  Cat 2  LDRD with base in list may result in incorrect base register when 
interrupted or faulted 
X  X  X 
563915  Cat 2  Event Register is not set by interrupts and debug  X  X  X 
531064  Impl  SWJ-DP missing POR reset sync  X  X 
511864  Cat 3  Cortex-M3 may fetch instructions using incorrect privilege on return from 
an exception 
X  X 
532314  Cat 3  DWT CPI counter increments during sleep  X  X 
538714  Cat 3  Cortex-M3 TPIU Clock Domain crossing  X  X 
548721  Cat 3  Internal write buffer could be active whilst asleep  X  X 
463763  Cat 3  BKPT in debug monitor mode can cause DFSR mismatch  X  X 
463764  Cat 3  Core may freeze for SLEEPONEXIT single instruction ISR  X  X 
463769  Cat 3  Unaligned MPU fault during a write may cause the wrong data to be 
written to a successful first access 
X  X 
429964  Cat 2  Async not generated if no trace in previous session  X   
429965  Cat 2  Trigger packets sometimes not inserted in trace stream  X   










