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

VCC Digital supply voltage. www.datasheet4u.com 1.1.2 GND Ground. 1.1.3 Port A (PA3:0) (in 32-lead TQFP and 32-pad QFN/MLF packages, only) Port A is a 4-bit bi-directional I/O port with internal pull-up resistors (selected for each bit) in 32lea.

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