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ATmega48 Datasheet(PDF) 58 Page - ATMEL Corporation

Part # ATmega48
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
PDF  340 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega48 Datasheet(HTML) 58 Page - ATMEL Corporation

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58
7530H–AVR–02/09
ATmega48/88/168 Automotive
0xC1A
RESET: ldi
r16,high(RAMEND); Main program start
0xC1B
out
SPH,r16
; Set Stack Pointer to top of RAM
0xC1C
ldi
r16,low(RAMEND)
0xC1D
out
SPL,r16
0xC1E
sei
; Enable interrupts
0xC1F
<instr>
xxx
9.3
Interrupt Vectors in ATmega168
Table 9-4.
Reset and Interrupt Vectors in ATmega168
Vector
No.
Program
Address(2)
Source
Interrupt Definition
1
0x0000(1)
RESET
External Pin, Power-on Reset, Brown-out Reset and Watchdog
System Reset
2
0x0002
INT0
External Interrupt Request 0
3
0x0004
INT1
External Interrupt Request 1
4
0x0006
PCINT0
Pin Change Interrupt Request 0
5
0x0008
PCINT1
Pin Change Interrupt Request 1
6
0x000A
PCINT2
Pin Change Interrupt Request 2
7
0x000C
WDT
Watchdog Time-out Interrupt
8
0x000E
TIMER2
COMPA
Timer/Counter2 Compare Match A
9
0x0010
TIMER2
COMPB
Timer/Counter2 Compare Match B
10
0x0012
TIMER2 OVF
Timer/Counter2 Overflow
11
0x0014
TIMER1 CAPT
Timer/Counter1 Capture Event
12
0x0016
TIMER1
COMPA
Timer/Counter1 Compare Match A
13
0x0018
TIMER1
COMPB
Timer/Coutner1 Compare Match B
14
0x001A
TIMER1 OVF
Timer/Counter1 Overflow
15
0x001C
TIMER0
COMPA
Timer/Counter0 Compare Match A
16
0x001E
TIMER0
COMPB
Timer/Counter0 Compare Match B
17
0x0020
TIMER0 OVF
Timer/Counter0 Overflow
18
0x0022
SPI, STC
SPI Serial Transfer Complete
19
0x0024
USART, RX
USART Rx Complete
20
0x0026
USART, UDRE
USART, Data Register Empty
21
0x0028
USART, TX
USART, Tx Complete
22
0x002A
ADC
ADC Conversion Complete
23
0x002C
EE READY
EEPROM Ready



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