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MSP430X12X Datasheet(PDF) 6 Page - Texas Instruments |
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MSP430X12X Datasheet(HTML) 6 Page - Texas Instruments |
6 / 34 page MSP430x12x MIXED SIGNAL MICROCONTROLLER SLAS312A – JULY 2001 – REVISED MARCH 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 interrupt vector addresses The interrupt vectors and the power-up starting address are located in the memory with an address range of 0FFFFh-0FFE0h. The vector contains the 16-bit address of the appropriate interrupt handler instruction sequence. INTERRUPT SOURCE INTERRUPT FLAG SYSTEM INTERRUPT WORD ADDRESS PRIORITY Power-up, external reset, watchdog WDTIFG (see Note1) KEYV (see Note 1) Reset 0FFFEh 15, highest NMI, oscillator fault, flash memory access violation NMIIFG (see Notes 1 and 4) OFIFG (see Notes 1 and 4) ACCVIFG (see Notes 1 and 4) (non)-maskable, (non)-maskable, (non)-maskable 0FFFCh 14 0FFFAh 13 0FFF8h 12 Comparator_A CAIFG maskable 0FFF6h 11 Watchdog timer WDTIFG maskable 0FFF4h 10 Timer_A TACCR0 CCIFG (see Note 2) maskable 0FFF2h 9 Timer_A TACCR1 and TACCR2 CCIFGs, TAIFG (see Notes 1 and 2) maskable 0FFF0h 8 USART0 receive URXIFG0 maskable 0FFEEh 7 USART0 transmit UTXIFG0 maskable 0FFECh 6 0FFEAh 5 0FFE8h 4 I/O Port P2 (eight flags – see Note 3) P2IFG.0 to P2IFG.7 (see Notes 1 and 2) maskable 0FFE6h 3 I/O Port P1 (eight flags) P1IFG.0 to P1IFG.7 (see Notes 1 and 2) maskable 0FFE4h 2 0FFE2h 1 0FFE0h 0, lowest NOTES: 1. Multiple source flags 2. Interrupt flags are located in the module 3. There are eight Port P2 interrupt flags, but only six Port P2 I/O pins (P2.0–5) are implemented on the ’12x devices. 4. (non)-maskable: the individual interrupt enable bit can disable an interrupt event, but the general interrupt enable cannot. |
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