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ATMEGA649P Datasheet(PDF) 11 Page - ATMEL Corporation |
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ATMEGA649P Datasheet(HTML) 11 Page - ATMEL Corporation |
11 / 39 page 11 ATmega169A/PA/329A/PA/649A/P/3290A/PA/6490A/P [DATASHEET SUMMARY] 8284FS–AVR–07/2014 2.3.15 AVCC AVCC is the supply voltage pin for Port F and the A/D Converter. It should be externally connected to VCC, even if the ADC is not used. If the ADC is used, it should be connected to VCC through a low-pass filter. 2.3.16 AREF This is the analog reference pin for the A/D Converter. 2.3.17 LCDCAP An external capacitor (typical > 470 nF) must be connected to the LCDCAP pin as shown in Figure 24-2, if the LCD module is enabled and configured to use internal power. This capacitor acts as a reservoir for LCD power (VLCD). A large capacitance reduces ripple on VLCD but increases the time until VLCD reaches its target value. |
Similar Part No. - ATMEGA649P_14 |
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Similar Description - ATMEGA649P_14 |
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