Here is the signal on pin "1" (the one near the quartz) when "8888" is displayed :
and here, the same pin, when "AAAA" is displayed :
The quartz sends a 32kHz signal (sine wave actually)
and the frequency on the pins are 32Hz (in some cases 96Hz)
Here is the signal on pin "1" (the one near the quartz) when "8888" is displayed :
and here, the same pin, when "AAAA" is displayed :
The quartz sends a 32kHz signal (sine wave actually)
and the frequency on the pins are 32Hz (in some cases 96Hz)