2.2.1 Write Operation Lost if Consecutive Writes to Specific Address Spaces
Work Around
To avoid loss of write operation, use one of the following workarounds depending on address space:
- Insert an NOP instruction before writing to address < 64, or use the OUT instruction instead of ST/STD
- Insert an NOP instruction before writing to SLPCTRL.CTRLA register
Affected Silicon Revisions
Rev. A1 | Rev. A2 |
X | X |