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AT90SCR100 Datasheet(PDF) 65 Page - ATMEL Corporation |
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AT90SCR100 Datasheet(HTML) 65 Page - ATMEL Corporation |
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65 / 433 page  65 TPR0327AY–SMS–30Jan09 AT90SCR100 When the BOOTRST Fuse is unprogrammed, the Boot section size set to 8K bytes 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 0x00000 RESET: ldi r16,high(RAMEND); Main program start 0x00001 out SPH,r16 ; Set Stack Pointer to top of RAM 0x0E jmp PCINT2 ; PCINT2 Handler 0x10 jmp WDT ; Watchdog Timeout Handler 0x12 jmp TIM2_COMPA ; Timer2 CompareA Handler 0x14 jmp TIM2_COMPB ; Timer2 CompareB Handler 0x16 jmp TIM2_OVF ; Timer2 Overflow Handler 0x18 jmp TIM1_CAPT ; Timer1 Capture Handler 0x1A jmp TIM1_COMPA ; Timer1 CompareA Handler 0x1C jmp TIM1_COMPB ; Timer1 CompareB Handler 0x1E jmp TIM1_OVF ; Timer1 Overflow Handler 0x20 jmp TIM0_COMPA ; Timer0 CompareA Handler 0x22 jmp TIM0_COMPB ; Timer0 CompareB Handler 0x24 jmp TIM0_OVF ; Timer0 Overflow Handler 0x26 jmp SPI_STC ; SPI Transfer Complete 0x28 jmp USART0_RXC ; USART0 RX Complete Handler 0x2A jmp USART0_UDRE ; USART0,UDR Empty Handler 0x2C jmp USART0_TXC ; USART0 TX Complete Handler 0x2E jmp SUPPLY_MON ; Vcc dropped too low 0x30 jmp NO_VECT ; Vector Forbidden 0x32 jmp EE_RDY ; EEPROM Ready Handler 0x34 jmp TWI ; 2-wire Serial Handler 0x36 jmp SPM_RDY ; SPM Ready Handler 0x38 jmp KEYBOARD ; Keyboard Handler 0x3A jmp AES ; Crypto AES Handler 0x3C jmp HSSPI ; HighSPI IT Handler 0x3E jmp USB_Endpoint ; USB Endpoint IT Handler 0x40 jmp USB_Protocol ; USB Protocol IT Handler 0x42 jmp SCIB ; Smart Card Interface IT 0x44 jmp USB_Host_Ctl ; USB Host Controller IT 0x46 jmp USB_Host_Pipe ; USB Host Pipe IT 0x48 jmp CPRES ; Card inserted/removed 0x4A jmp PCINT3 ; PCINT3 Handler ; 0x3E RESET: ldi r16, high(RAMEND) ; Main program start 0x3F out SPH,r16 ; Set Stack Pointer to top of RAM 0x40 ldi r16, low(RAMEND) 0x41 out SPL,r16 0x42 sei ; Enable interrupts 0x43 <instr> xxx ... ... ... ... |
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