* High Performance, Low Power AVR® 8-Bit Microcontroller
* Advanced RISC Architecture
  – 125 Powerful Instructions
  – Most Single Cl.

The ATmega8U2/16U2/32U2 are supported with a full suite of program and system development tools including: C compilers,.

2.2.1 VCC Digital supply voltage. 2.2.2 GND Ground. 2.2.3 AVCC AVCC is the supply voltage pin (input) for all analog features (Analog Comparator, PLL). It should be externally connected to VCC through a low-pass filter. 2.2.4 Port B (PB7..PB.

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