ehsan_r34
Member level 2
Hi,
I use the internal voltage reference (1.1v) for ADC in ATMEGA88v. But the Aref pin voltage is about Vcc.
My Vcc is variable so i need the 1.1v bandgap voltage.
Do you know why???
I use the internal voltage reference (1.1v) for ADC in ATMEGA88v. But the Aref pin voltage is about Vcc.
My Vcc is variable so i need the 1.1v bandgap voltage.
Do you know why???