ATmega644V microcontroller equivalent, 8-bit atmel microcontroller.
* High-performance, Low-power Atmel® AVR® 8-bit Microcontroller
* Advanced RISC Architecture
– 131 Powerful Instructions
– Most Si.
The ATmega644 AVR is supported with a full suite of program and system development tools including: C compilers, macro .
2.2.1 VCC
2.2.2 GND
Digital supply voltage.
2.2.3
Ground. Port A (PA7:PA0)
Port A serves as analog inputs to the Analog-to-digital Converter.
Port A also serves as an 8-bit bi-directional I/O port with internal pull-up resistors (selected for .
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