ATMEGA162-16AU pinout | pin spacing Microchip Technology

Discover the comprehensive ATMEGA162-16AU Reference Manual, which includes detailed pin spacing and pinout information. This essential document provides all the technical specifications needed for your electronics projects, ensuring you have the necessary data at your fingertips.

Brands: Microchip Technology

Download: ATMEGA162-16AU Datasheet PDF

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In Stock: 7,464

CoreProcessor: AVR

Core Size: 8-Bit

Peripherals: Brown-out Detect/Reset, POR, PWM, WDT

Package: 44-TQFP

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ATmega16U2 Pinout

atmega16u2 pinout

1：Overview of the ATmega16U2:

ATmega16U2 is an 8-bit microcontroller chip based on the AVR RISC architecture, which is designed specifically for USB communication and embedded control.
ATmega16U2 mainly includes USB 2.0 full speed device controller (supporting DFU and CDC class protocols), 16KB Flash program memory, 512 bytes SRAM data memory and other features. ATmega16U2 supports online programming (ISP) and firmware upgrade.
ATmega16U2 The chip uses 32-pin QFN32/VQFP32 package, operating voltage range from 4.5V to 5.5V, integrated hardware USB transceiver, ADC, PWM output and a variety of peripheral interfaces (SPI/I2C/UART).
ATmega16U2 It can be used in the USB to serial port function of Arduino development board (such as Uno/Mega), USB device simulation (such as virtual COM port), industrial control interface, encryption dog, firmware burning tool and low-power Internet of Things terminal. It supports LUFA open source firmware library to realize custom USB protocol development.

2：ATmega16U2 Important pin function definition:

Pin Number	Pin Name	Description
Pin4	VCC	Digital supply voltage
Pin3	GND	GND
Pin14–21	Port B (PB7..PB0)	Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port B output buffers have symmetrical drive characteristics with both high sink and source capability.
Pin5/22/23/24/25/26	Port C (PC7..PC0)	Port C is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port C output buffers have symmetrical drive characteristics with both high sink and source capability.
Pin6–13	Port D (PD7..PD0)	Port D serves as analog inputs to the analog comparator.
Pin30	D-	Reset input. A low level on this pin for longer than the minimum pulse length will generate a Reset, even if the clock is not running.
Pin29	D+	AV_CC is the supply voltage pin for the A/D Converter
Pin28	UGND	AREF is the analog reference pin for the A/D Converter.
Pin31	UVCC
Pin27	UCAP
Pin24	RESET/PC1/dW
Pin1	XTAL1
Pin2	XTAL2/PC0