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XMS430AFE253IPWR Datasheet(PDF) 9 Page - Texas Instruments |
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XMS430AFE253IPWR Datasheet(HTML) 9 Page - Texas Instruments |
9 / 47 page MSP430AFE2x3 MSP430AFE2x2 MSP430AFE2x1 www.ti.com SLAS701A – NOVEMBER 2010 – REVISED MARCH 2011 Interrupt Vector Addresses The interrupt vectors and the power-up starting address are located in the address range of 0FFFFh to 0FFE0h. 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 Vector Addresses SYSTEM INTERRUPT SOURCE INTERRUPT FLAG WORD ADDRESS PRIORITY INTERRUPT Power up PORIFG External reset RSTIFG Watchdog WDTIFG Reset 0FFFEh 15, highest Flash key violation KEYV PC out-of-range(1) (2) NMI NMIIFG (Non)maskable, Oscillator fault OFIFG (Non)maskable, 0FFFCh 14 Flash memory access violation ACCVIFG (2) (3) (Non)maskable 0FFFAh 13 SD24CCTLx SD24OVIFG, SD24_A Maskable 0FFF8h 12 SD24CCTLx SD24IFG(2) (4) 0FFF6h 11 Watchdog Timer WDTIFG Maskable 0FFF4h 10 USART0 Receive URXIFG0 Maskable 0FFF2h 9 USART0 Transmit UTXIFG0 Maskable 0FFF0h 8 0FFEEh 7 Timer_A3 TA0CCR0 CCIFG(4) Maskable 0FFECh 6 TA0CCR1 CCIFG, Timer_A3 TA0CCR2 CCIFG, Maskable 0FFEAh 5 TA0CTL TAIFG (2) (4) I/O Port P1 (eight flags) P1IFG.0 to P1IFG.7(2) (4) Maskable 0FFE8h 4 0FFE6h 3 0FFE4h 2 I/O Port P2 (three flags) P2IFG.0 to P2IFG.2(2) (4) Maskable 0FFE2h 1 0FFE0h 0, lowest (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 range. (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. Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 9 |
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