2.4.1 AWeX Fault Protection Restore is Not Done
Correctly in Pattern Generation Mode
When a fault is detected, the
OUTOVEN register is cleared, and when the fault condition is cleared, OUTOVEN is
restored according to the corresponding enabled DTI channels. For Common Waveform
Channel Mode (CWCM), as the OUTOVEN is correct after restoring from fault, this has no
effect. For Pattern Generation Mode (PGM), OUTOVEN should instead have been restored
according to the DTLSBUF register.WorkaroundFor CWCM, no workaround is required.For PGM in Latched Mode, disable the DTI channels before
returning from the fault condition. Then, set the correct OUTOVEN value and enable the
DTI channels before the direction (DIR) register is written to enable the correct
outputs again.
Affected Silicon Revisions
ATxmega128/64B3
Rev. A
Rev. C
-
X
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
