Re: MCLR capacitor (RC) required for PIC24FJ64GA705 ?
The support did conform that they believe the problem in the divider is also caused by the Vcap charge issue.
An updated errata (coming when??) will reflect this.
The workaround when using the divider will be to pre-charge the Vcap by adding a Vdd capacitor as per the A20 errata.
That is what I was told by the support.
Am I sure about that? No.
During some of my testing, I discharged the Vcap fully, with with tweezers before powering up.
It is unclear whether that made much difference.
What I found most interesting is that the chip seemed to latch the non working condition, once present.
I can say however that one chip came back alive after I fitted the 1uF cap to Vdd.
That is where I left it as I have since stopped using the divider and I have too much other stuff to do on this project.