Posted: Mon Jun 01, 2015 3:56 pm Post subject: Internal Calibrated RC Oscillator
hi,
a question:
using as an oscillator, the internal oscillator to an ATmega8 set to 4Mhz, pins (XTAL1 / TOSC1) and PB6 (XTAL2 / TOSC2) PB7 must be left unconnected if not used?
Hi,
using the internal osc. sets PB6/7 to be used as any other Pxn. So, like on every other I/O, it is a good idea to set unused pins to be inputs with pullups.
Anyway, letting them flow does not affect the internal osc., if that's what you worry about.
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