ATMEGA16U2-AUR Atmel, ATMEGA16U2-AUR Datasheet - Page 302
![MCU AVR 8K FLASH 16MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA16U2-AUR
Manufacturer Part Number
ATMEGA16U2-AUR
Description
MCU AVR 8K FLASH 16MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16U2-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
- Current page: 302 of 309
- Download datasheet (6Mb)
Table of Contents
7799D–AVR–11/10
1
2
3
4
5
6
7
8
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
Resources ................................................................................................. 6
Code Examples ........................................................................................ 6
Data Retention .......................................................................................... 6
AVR CPU Core .......................................................................................... 7
AVR Memories ........................................................................................ 16
System Clock and Clock Options ......................................................... 26
1.1Disclaimer ..................................................................................................................2
2.1Block Diagram ...........................................................................................................3
2.2Pin Descriptions ........................................................................................................4
6.1Introduction ................................................................................................................7
6.2Architectural Overview ..............................................................................................7
6.3ALU – Arithmetic Logic Unit ......................................................................................8
6.4Status Register ..........................................................................................................8
6.5General Purpose Register File ................................................................................10
6.6Stack Pointer ...........................................................................................................11
6.7Instruction Execution Timing ...................................................................................12
6.8Reset and Interrupt Handling ..................................................................................13
7.1In-System Reprogrammable Flash Program Memory .............................................16
7.2SRAM Data Memory ...............................................................................................17
7.3EEPROM Data Memory ..........................................................................................18
7.4I/O Memory ..............................................................................................................19
7.5Register Description ................................................................................................20
8.1Clock Systems and their Distribution .......................................................................26
8.2Clock Switch ............................................................................................................27
8.3Clock Sources .........................................................................................................29
8.4Low Power Crystal Oscillator ...................................................................................30
8.5Full Swing Crystal Oscillator ....................................................................................32
8.6Calibrated Internal RC Oscillator .............................................................................33
8.7External Clock .........................................................................................................35
ATmega8U2/16U2/32U2
i
Related parts for ATMEGA16U2-AUR
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATmega16](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATMEGA16-16AU](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ 5V 44TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16MU](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ 5V 44-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16PU](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ 5V 40DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16MQ](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
MCU AVR 16K FLASH 16MHZ 44-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16PC](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ COM 40-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16MC](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ COM 44-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16PI](/photos/6/70/67049/453-40-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ IND 40-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16MI](/photos/12/13/121316/313-44-qfn_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ IND 44-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16AI](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ IND 44-TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16AU SL383](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC MCU 8BIT 16KB FLASH 44TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16AQ](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
MCU AVR 16K FLASH 16MHZ 44-TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA16-16AC](/photos/6/70/67042/313-44-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 16K 16MHZ COM 44-TQFP
Manufacturer:
Atmel
Datasheet: