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MSP430G2402IPW20R Datasheet(PDF) 9 Page - Texas Instruments |
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MSP430G2402IPW20R Datasheet(HTML) 9 Page - Texas Instruments |
9 / 59 page MSP430G2x32 MSP430G2x02 www.ti.com SLAS723F – DECEMBER 2010 – REVISED MAY 2012 Interrupt Vector Addresses The interrupt vectors and the power-up starting address are located in the address range 0FFFFh to 0FFC0h. The vector contains the 16-bit address of the appropriate interrupt handler instruction sequence. If the reset vector (located at address 0FFFEh) contains 0FFFFh (for example, if flash is not programmed) the CPU goes into LPM4 immediately after power-up. Table 5. Interrupt Sources, Flags, and Vectors SYSTEM WORD INTERRUPT SOURCE INTERRUPT FLAG PRIORITY INTERRUPT ADDRESS Power-Up PORIFG External Reset RSTIFG Watchdog Timer+ WDTIFG Reset 0FFFEh 31, highest Flash key violation KEYV(2) PC out-of-range(1) NMI NMIIFG (non)-maskable Oscillator fault OFIFG (non)-maskable 0FFFCh 30 Flash memory access violation ACCVIFG(2)(3) (non)-maskable 0FFFAh 29 0FFF8h 28 0FFF6h 27 Watchdog Timer+ WDTIFG maskable 0FFF4h 26 Timer0_A3 TACCR0 CCIFG(4) maskable 0FFF2h 25 Timer0_A3 TACCR2 TACCR1 CCIFG. maskable 0FFF0h 24 TAIFGTable 3(4) 0FFEEh 23 0FFECh 22 ADC10(5) ADC10IFG(4)(5) maskable 0FFEAh 21 USI USIIFG, USISTTIFG(2)(4) maskable 0FFE8h 20 I/O Port P2 (up to eight flags) P2IFG.0 to P2IFG.7(2)(4) maskable 0FFE6h 19 I/O Port P1 (up to eight flags) P1IFG.0 to P1IFG.7(2)(4) maskable 0FFE4h 18 0FFE2h 17 0FFE0h 16 See (6) 0FFDEh to 15 to 0, lowest 0FFC0h (1) A reset is generated if the CPU tries to fetch instructions from within the module register memory address range (0h to 01FFh) or from within unused address ranges. (2) Multiple source flags (3) (non)-maskable: the individual interrupt-enable bit can disable an interrupt event, but the general interrupt enable cannot. (4) Interrupt flags are located in the module. (5) MSP430G2x32 only (6) The interrupt vectors at addresses 0FFDEh to 0FFC0h are not used in this device and can be used for regular program code if necessary. Copyright © 2010–2012, Texas Instruments Incorporated Submit Documentation Feedback 9 |
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