I'd like to know if the 32 khz oscillator tied to CKIL pin is really necessary to let the processor start. The datasheet is not clear about that, so I cannot tell from it if the processor can start with a single 24 MHz crystal tied to XTAL and EXTAL pins only or not. The description about the CLK_SS pin seems to indicate that I don't need the 32 khz, but again the text is not "crystal" clear.
Can anyone out there point me to some documentation about that? Thanks.