以下是官方给的 PLL error codes
0x41 - PRDIV outside allowed range
0x42 - VDIV outside allowed range
0x43 - PLL reference clock frequency is outside allowed range
0x44 - LOCK or LOCK2 bit did not set
0x45 - PLL output frequency is outside allowed range (NEED TO ADD THIS CHECK TO fbe_pbe and blpe_pbe) only in fei-pee at this time