ATMEGA16U2-AU Atmel, ATMEGA16U2-AU Datasheet - Page 303
ATMEGA16U2-AU
Manufacturer Part Number
ATMEGA16U2-AU
Description
MCU AVR 16K FLASH USB 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16U2-AU
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
Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1.25 KB
Interface Type
SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, AT90USBKEY, ATEVK525
Minimum Operating Temperature
- 40 C
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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ii
ATmega8U2/16U2/32U2
9
10 System Control and Reset .................................................................... 47
11 Interrupts ................................................................................................ 64
12 I/O-Ports .................................................................................................. 67
13 External Interrupts ................................................................................. 84
14 Timer/Counter0 and Timer/Counter1 Prescalers ................................ 88
Power Management and Sleep Modes ................................................. 42
8.8Clock Output Buffer .................................................................................................35
8.9System Clock Prescaler ..........................................................................................35
8.10PLL ........................................................................................................................36
8.11Register Description ..............................................................................................37
9.1Overview .................................................................................................................42
9.2Sleep Modes ...........................................................................................................42
9.3Idle Mode .................................................................................................................42
9.4Power-down Mode ..................................................................................................43
9.5Power-save Mode ...................................................................................................43
9.6Standby Mode .........................................................................................................43
9.7Extended Standby Mode .........................................................................................43
9.8Power Reduction Register .......................................................................................43
9.9Minimizing Power Consumption ..............................................................................44
9.10Register Description ..............................................................................................45
10.1Resetting the AVR .................................................................................................47
10.2Reset Sources .......................................................................................................47
10.3Internal Voltage Reference ....................................................................................51
10.4Watchdog Timer ....................................................................................................51
10.5Register Description ..............................................................................................55
11.1Overview ...............................................................................................................64
11.2Interrupt Vectors in ATmega8U2/16U2/32U2 ........................................................64
11.3Register Description ..............................................................................................65
12.1Overview ...............................................................................................................67
12.2Ports as General Digital I/O ...................................................................................68
12.3Alternate Port Functions ........................................................................................72
12.4Register Description for I/O-Ports ..........................................................................82
13.1Overview ...............................................................................................................84
13.2Register Description ..............................................................................................84
7799D–AVR–11/10
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