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ATMEGA88 Datasheet(PDF) 58 Page - ATMEL Corporation |
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ATMEGA88 Datasheet(HTML) 58 Page - ATMEL Corporation |
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58 / 349 page  58 ATmega48/88/168 2545D–AVR–07/04 tions. This is also the case if the Reset Vector is in the Application section while the Interrupt Vectors are in the Boot section or vice versa. Note: 1. The Boot Reset Address is shown in Table 109 on page 268. For the BOOTRST Fuse “1” means unprogrammed while “0” means programmed. The most typical and general program setup for the Reset and Interrupt Vector Addresses in ATmega168 is: Address Labels Code Comments 0x0000 jmp RESET ; Reset Handler 0x0002 jmp EXT_INT0 ; IRQ0 Handler 0x0004 jmp EXT_INT1 ; IRQ1 Handler 0x0006 jmp PCINT0 ; PCINT0 Handler 0x0008 jmp PCINT1 ; PCINT1 Handler 0x000A jmp PCINT2 ; PCINT2 Handler 0x000C jmp WDT ; Watchdog Timer Handler 0x000E jmp TIM2_COMPA ; Timer2 Compare A Handler 0x0010 jmp TIM2_COMPB ; Timer2 Compare B Handler 0x0012 jmp TIM2_OVF ; Timer2 Overflow Handler 0x0014 jmp TIM1_CAPT ; Timer1 Capture Handler 0x0016 jmp TIM1_COMPA ; Timer1 Compare A Handler 0x0018 jmp TIM1_COMPB ; Timer1 Compare B Handler 0x001A jmp TIM1_OVF ; Timer1 Overflow Handler 0x001C jmp TIM0_COMPA ; Timer0 Compare A Handler 0x001E jmp TIM0_COMPB ; Timer0 Compare B Handler 0x0020 jmp TIM0_OVF ; Timer0 Overflow Handler 0x0022 jmp SPI_STC ; SPI Transfer Complete Handler 0x0024 jmp USART_RXC ; USART, RX Complete Handler 0x0026 jmp USART_UDRE ; USART, UDR Empty Handler 0x0028 jmp USART_TXC ; USART, TX Complete Handler 0x002A jmp ADC ; ADC Conversion Complete Handler 0x002C jmp EE_RDY ; EEPROM Ready Handler 0x002E jmp ANA_COMP ; Analog Comparator Handler 0x0030 jmp TWI ; 2-wire Serial Interface Handler 0x0032 jmp SPM_RDY ; Store Program Memory Ready Handler ; 0x0033RESET: ldi r16, high(RAMEND); Main program start Table 30. Reset and Interrupt Vectors Placement in ATmega168 (1) BOOTRST IVSEL Reset Address Interrupt Vectors Start Address 1 0 0x000 0x001 1 1 0x000 Boot Reset Address + 0x0002 0 0 Boot Reset Address 0x001 0 1 Boot Reset Address Boot Reset Address + 0x0002 |
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