A000003 Arduino, A000003 Datasheet - Page 55
A000003
Manufacturer Part Number
A000003
Description
MCU, MPU & DSP Development Tools MINI
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000003
Processor To Be Evaluated
Atmega328
Processor Series
ATmega
Data Bus Width
8 bit
Interface Type
USB, RS-232
Operating Supply Voltage
7 V to 9 V
Contents
Board
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega168
- Current page: 55 of 378
- Download datasheet (8Mb)
11. Interrupts
11.1
11.2
Table 11-1.
2545S–AVR–07/10
Vector No.
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
Overview
Interrupt Vectors in ATmega48
Program Address
Reset and Interrupt Vectors in ATmega48
0x00A
0x00B
0x00C
0x00D
0x00E
0x000
0x001
0x002
0x003
0x004
0x005
0x006
0x007
0x008
0x009
0x00F
0x010
0x011
0x012
0x013
0x014
This section describes the specifics of the interrupt handling as performed in ATmega48/88/168.
For a general explanation of the AVR interrupt handling, refer to
on page
The interrupt vectors in ATmega48, ATmega88 and ATmega168 are generally the same, with
the following differences:
• Each Interrupt Vector occupies two instruction words in ATmega168, and one instruction word
• ATmega48 does not have a separate Boot Loader Section. In ATmega88 and ATmega168, the
in ATmega48 and ATmega88.
Reset Vector is affected by the BOOTRST fuse, and the Interrupt Vector start address is
affected by the IVSEL bit in MCUCR.
Source
RESET
INT0
INT1
PCINT0
PCINT1
PCINT2
WDT
TIMER2 COMPA
TIMER2 COMPB
TIMER2 OVF
TIMER1 CAPT
TIMER1 COMPA
TIMER1 COMPB
TIMER1 OVF
TIMER0 COMPA
TIMER0 COMPB
TIMER0 OVF
SPI, STC
USART, RX
USART, UDRE
USART, TX
14.
External Pin, Power-on Reset, Brown-out Reset and Watchdog System Reset
External Interrupt Request 0
External Interrupt Request 1
Pin Change Interrupt Request 0
Pin Change Interrupt Request 1
Pin Change Interrupt Request 2
Watchdog Time-out Interrupt
Timer/Counter2 Compare Match A
Timer/Counter2 Compare Match B
Timer/Counter2 Overflow
Timer/Counter1 Capture Event
Timer/Counter1 Compare Match A
Timer/Coutner1 Compare Match B
Timer/Counter1 Overflow
Timer/Counter0 Compare Match A
Timer/Counter0 Compare Match B
Timer/Counter0 Overflow
SPI Serial Transfer Complete
USART Rx Complete
USART, Data Register Empty
USART, Tx Complete
Interrupt Definition
ATmega48/88/168
“Reset and Interrupt Handling”
55
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