This anomaly applies to Revision 3, build codes QFAA-Exx, QCAA-Exx, CAAA-Exx.
RAM[x].POWERSET and RAM[x].POWERCLR read as zero, even though the RAM is on.
Always.
Not possible to read the RAM state using RAM[x].POWERSET and RAM[x].POWERCLR registers. Write works as it should.
Use RAM[x].POWER to read the state of the RAM.