Tried running a PIC18F47K42 on a 32.768 KHz watch crystal... took like 200 mS to take 1 ADC reading, even with sample timing registers maxed out. There's a dedicated ADC clock, but good luck using it if your system clock is slower than it..
Fascinating vid
Tried running a PIC18F47K42 on a 32.768 KHz watch crystal... took like 200 mS to take 1 ADC reading, even with sample timing registers maxed out. There's a dedicated ADC clock, but good luck using it if your system clock is slower than it..
Fascinating vid
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