BTW, as a reference, one of the crystals I use regularly is accurate to 30ppm (0.003%), which can serve as a decent timebase directly w/o the need for a 32.768khz watch crystal.
BTW, as a reference, one of the crystals I use regularly is accurate to 30ppm (0.003%), which can serve as a decent timebase directly w/o the need for a 32.768khz watch crystal.