This anomaly applies to Revision 1, build codes LACA-A0A.
It was inherited from the previous IC revision Engineering A.
Symptoms
LFXO does not start up.
Conditions
LFXO is set up in a wrong mode and unable to start up in all conditions.
Consequences
LTE modem does not work.
Workaround
Apply the following code after any reset:
*((volatile uint32_t *)0x5000470Cul) = 0x0;
*((volatile uint32_t *)0x50004710ul) = 0x1;