Aug 20, 2007 #1 ehsan_r34 Member level 2 Joined Apr 1, 2007 Messages 45 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,555 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???
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???