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MSP430G2111IRSA16 Datasheet(PDF) 11 Page - Texas Instruments |
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MSP430G2111IRSA16 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 47 page MSP430G2x01, MSP430G2x11 MIXED SIGNAL MICROCONTROLLER SLAS695B -- FEBRUARY 2010 -- REVISED MAY 2010 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 interrupt vector addresses The interrupt vectors and the power-up starting address are located in the address range of 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 (e.g., flash is not programmed) the CPU will go into LPM4 immediately after power-up. INTERRUPT SOURCE INTERRUPT FLAG SYSTEM INTERRUPT WORD ADDRESS PRIORITY Power-up External reset Watchdog Timer+ Flash key violation PC out-of-range (see Note 1) PORIFG RSTIFG WDTIFG KEYV (see Note 2) Reset 0FFFEh 31, highest NMI Oscillator fault Flash memory access violation NMIIFG OFIFG ACCVIFG (see Notes 2 and 5) (non)-maskable, (non)-maskable, (non)-maskable 0FFFCh 30 0FFFAh 29 0FFF8h 28 COMP_A+ CAIFG (see Note 3 and 4) maskable 0FFF6h 27 Watchdog Timer+ WDTIFG maskable 0FFF4h 26 Timer_A2 TACCR0 CCIFG (see Note 3) maskable 0FFF2h 25 Timer_A2 TACCR1 CCIFG. TAIFG (see Notes 2 and 3) maskable 0FFF0h 24 0FFEEh 23 0FFECh 22 0FFEAh 21 0FFE8h 20 I/O Port P2 (two flags) P2IFG.6toP2IFG.7 (see Notes 2 and 3) maskable 0FFE6h 19 I/O Port P1 (eight flags) P1IFG.0toP1IFG.7 (see Notes 2 and 3) maskable 0FFE4h 18 0FFE2h 17 0FFE0h 16 (see Note 6) 0FFDEh ... 0FFC0h 15 ... 0, lowest NOTES: 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. Interrupt flags are located in the module 4. Devices with COMP_A+ only. 5. (non)-maskable: the individual interrupt-enable bit can disable an interrupt event, but the general interrupt enable cannot. 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. |
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