ATMEGA16U2-16AU Atmel, ATMEGA16U2-16AU Datasheet - Page 64

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ATMEGA16U2-16AU

Manufacturer Part Number
ATMEGA16U2-16AU
Description
8-bit Microcontrollers - MCU 16K Flash
Manufacturer
Atmel
Datasheet

Specifications of ATMEGA16U2-16AU

Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
AVR
Data Bus Width
8 bit
Program Memory Size
16 KB
Data Ram Size
1.25 KB
Data Rom Size
512 B
Program Memory Type
Flash
Factory Pack Quantity
1250
11. Interrupts
11.1
11.2
7799D–AVR–11/10
Overview
Interrupt Vectors in ATmega8U2/16U2/32U2
T h i s s e c t i o n d e s c r i b e s t h e s p e c i f i c s o f t h e i n t e r r u p t h a n d l i n g a s p e r f o r m e d i n
ATmega8U2/16U2/32U2. For a general explanation of the AVR interrupt handling, refer to
“Reset and Interrupt Handling” on page
Table 11-1.
Vector
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
8
9
Address
Program
$0000
$000A
$000C
$000E
$001A
$001C
$001E
$002A
$002C
$002E
$0002
$0004
$0006
$0008
$0010
$0012
$0014
$0016
$0018
$0020
$0022
$0024
$0026
$0028
$0030
$0032
Reset and Interrupt Vectors
(1)
(2)
Source
RESET
INT0
INT1
INT2
INT3
INT4
INT5
INT6
INT7
PCINT0
PCINT1
USB General
USB Endpoint
WDT
TIMER1 CAPT
TIMER1 COMPA
TIMER1 COMPB
TIMER1 COMPC
TIMER1 OVF
TIMER0 COMPA
TIMER0 COMPB
TIMER0 OVF
SPI, STC
USART1 RX
USART1 UDRE
USART1TX
13.
Interrupt Definition
External Pin, Power-on Reset, Brown-out Reset,
Watchdog Reset, USB Reset and debugWIRE AVR
Reset
External Interrupt Request 0
External Interrupt Request 1
External Interrupt Request 2
External Interrupt Request 3
External Interrupt Request 4
External Interrupt Request 5
External Interrupt Request 6
External Interrupt Request 7
Pin Change Interrupt Request 0
Pin Change Interrupt Request 1
USB General Interrupt request
USB Endpoint Interrupt request
Watchdog Time-out Interrupt
Timer/Counter1 Capture Event
Timer/Counter1 Compare Match A
Timer/Counter1 Compare Match B
Timer/Counter1 Compare Match C
Timer/Counter1 Overflow
Timer/Counter0 Compare Match A
Timer/Counter0 Compare match B
Timer/Counter0 Overflow
SPI Serial Transfer Complete
USART1 Rx Complete
USART1 Data Register Empty
USART1 Tx Complete
ATmega8U2/16U2/32U2
64

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