ATmega16M1 Datasheet, ATMEL

* High performance, low power Atmel® AVR® 8-bit microcontroller
* Advanced RISC architecture
  – 131 powerful instructions - most single clock cycle.

Table 1-1. Pinout description. QFN32 pin number 5 20 Mnemonic GND AGND 4 VCC 19 AVCC 21 AREF 8 PB0 9 PB1 16 PB2 23 PB3 24 PB4 26 PB5 27 PB6 28 PB7 30 PC0 Type Power Power Power Power Power I/O I/O I/O I/O I/O I/O I/O I/O I/O Name, funct.