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ATmega16U4 датащи(PDF) 60 Page - ATMEL Corporation |
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ATmega16U4 датащи(HTML) 60 Page - ATMEL Corporation |
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60 / 408 page ![]() 60 7766D–AVR–01/09 ATmega16U4/ATmega32U4 9. Interrupts Th is sect ion d e scr i bes t h e sp ecifics of th e int e r r u p t han dling as per f o rm ed in ATmega16U4/ATmega32U4. For a general explanation of the AVR interrupt handling, refer to “Reset and Interrupt Handling” on page 15. 9.1 Interrupt Vectors in ATmega16U4/ATmega32U4 Table 9-1. Reset and Interrupt Vectors Vector No. Program Address(2) Source Interrupt Definition 1 $0000(1) RESET External Pin, Power-on Reset, Brown-out Reset, Watchdog Reset, and JTAG AVR Reset 2 $0002 INT0 External Interrupt Request 0 3 $0004 INT1 External Interrupt Request 1 4 $0006 INT2 External Interrupt Request 2 5 $0008 INT3 External Interrupt Request 3 6 $000A Reserved Reserved 7 $000C Reserved Reserved 8 $000E INT6 External Interrupt Request 6 9 $0010 Reserved Reserved 10 $0012 PCINT0 Pin Change Interrupt Request 0 11 $0014 USB General USB General Interrupt request 12 $0016 USB Endpoint USB Endpoint Interrupt request 13 $0018 WDT Watchdog Time-out Interrupt 14 $001A Reserved Reserved 15 $001C Reserved Reserved 16 $001E Reserved Reserved 17 $0020 TIMER1 CAPT Timer/Counter1 Capture Event 18 $0022 TIMER1 COMPA Timer/Counter1 Compare Match A 19 $0024 TIMER1 COMPB Timer/Counter1 Compare Match B 20 $0026 TIMER1 COMPC Timer/Counter1 Compare Match C 21 $0028 TIMER1 OVF Timer/Counter1 Overflow 22 $002A TIMER0 COMPA Timer/Counter0 Compare Match A 23 $002C TIMER0 COMPB Timer/Counter0 Compare match B 24 $002E TIMER0 OVF Timer/Counter0 Overflow 25 $0030 SPI (STC) SPI Serial Transfer Complete 26 $0032 USART1 RX USART1 Rx Complete 27 $0034 USART1 UDRE USART1 Data Register Empty 28 $0036 USART1TX USART1 Tx Complete 29 $0038 ANALOG COMP Analog Comparator |
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