
8
8018P–AVR–08/10
ATmega169P
2.2.14
AREF
This is the analog reference pin for the A/D Converter.
2.2.15
LCDCAP
An external capacitor (typical > 470 nF) must be connected to the LCDCAP pin as shown in
Fig-LCD). A large
capacitance reduces ripple on V
LCD but increases the time until VLCD reaches its target value.