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ATMEGA128A Scheda tecnica(PDF) 62 Page - ATMEL Corporation |
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ATMEGA128A Scheda tecnica(HTML) 62 Page - ATMEL Corporation |
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62 / 386 page  62 8151G–AVR–07/10 ATmega128A $F004 jmp EXT_INT1 ; IRQ1 Handler :. :. :. ; $F044 jmp SPM_RDY ; Store Program Memory Ready Handler When the BOOTRST fuse is programmed and the Boot section size set to 8 Kbytes, the most typical and general program setup for the Reset and Interrupt Vector Addresses is: Address LabelsCode Comments .org $0002 $0002 jmp EXT_INT0 ; IRQ0 Handler $0004 jmp EXT_INT1 ; IRQ1 Handler :. :. :. ; $0044 jmp SPM_RDY ; Store Program Memory Ready Handler ; .org $F000 $F000 RESET: ldi r16,high(RAMEND); Main program start $F001 out SPH,r16 ; Set stack pointer to top of RAM $F002 ldi r16,low(RAMEND) $F003 out SPL,r16 $F004 sei ; Enable interrupts $F005 <instr> xxx When the BOOTRST fuse is programmed, the Boot section size set to 8 Kbytes and the IVSEL bit in the MCUCR Register is set before any interrupts are enabled, the most typical and general program setup for the Reset and Interrupt Vector Addresses is: Address Labels Code Comments ; .org $F000 $F000 jmp RESET ; Reset handler $F002 jmp EXT_INT0 ; IRQ0 Handler $F004 jmp EXT_INT1 ; IRQ1 Handler :. :. :. ; $F044 jmp SPM_RDY ; Store Program Memory Ready Handler $F046 RESET: ldi r16,high(RAMEND); Main program start $F047 out SPH,r16 ; Set stack pointer to top of RAM $F048 ldi r16,low(RAMEND) $F049 out SPL,r16 $F04A sei ; Enable interrupts $F04B <instr> xxx 11.1.1 Moving Interrupts Between Application and Boot Space The General Interrupt Control Register controls the placement of the interrupt vector table. |
Codice articolo simile - ATMEGA128A_1 |
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Descrizione simile - ATMEGA128A_1 |
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