參數(shù)資料
型號(hào)： MSP430F2274TRHAT
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC40
封裝： GREEN, PLASTIC, QFN-40
文件頁(yè)數(shù)： 8/94頁(yè)
文件大?。?/td> 1583K
代理商： MSP430F2274TRHAT
MSP430F22x2
MSP430F22x4
SLAS504E
– JULY 2006 – REVISED MARCH 2011
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 (for example, if flash is not programmed), the
CPU goes into LPM4 immediately after power up.
Table 7. Interrupt Vector Addresses
SYSTEM
INTERRUPT SOURCE
INTERRUPT FLAG
WORD ADDRESS
PRIORITY
INTERRUPT
Power-up
PORIFG
External reset
RSTIFG
Watchdog
WDTIFG
Reset
0FFFEh
31, highest
Flash key violation
KEYV
PC out-of-range(1)
(see Note 2)
NMI
NMIIFG
(non)-maskable,
Oscillator fault
OFIFG
0FFFCh
30
Flash memory access violation
ACCVIFG(2)(3)
(non)-maskable
Timer_B3
TBCCR0 CCIFG(4)
maskable
0FFFAh
29
TBCCR1 and TBCCR2 CCIFGs,
Timer_B3
maskable
0FFF8h
28
TBIFG(2)(4)
0FFF6h
27
Watchdog Timer
WDTIFG
maskable
0FFF4h
26
Timer_A3
TACCR0 CCIFG (see Note 3)
maskable
0FFF2h
25
TACCR1 CCIFG
Timer_A3
TACCR2 CCIFG
maskable
0FFF0h
24
TAIFG(2)(4)
USCI_A0/USCI_B0 Receive
UCA0RXIFG, UCB0RXIFG(2)
maskable
0FFEEh
23
USCI_A0/USCI_B0 Transmit
UCA0TXIFG, UCB0TXIFG(2)
maskable
0FFECh
22
ADC10
ADC10IFG(4)
maskable
0FFEAh
21
0FFE8h
20
I/O Port P2
P2IFG.0 to P2IFG.7(2)(4)
maskable
0FFE6h
19
(eight flags)
I/O Port P1
P1IFG.0 to P1IFG.7(2)(4)
maskable
0FFE4h
18
(eight flags)
0FFE2h
17
0FFE0h
16
(5)
0FFDEh
15
(6)
0FFDCh to 0FFC0h
14 to 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.
Nonmaskable: neither the individual nor the general interrupt-enable bit will disable an interrupt event.
(4)
Interrupt flags are located in the module.
(5)
This location is used as bootstrap loader security key (BSLSKEY).
A 0AA55h at this location disables the BSL completely.
A zero (0h) disables the erasure of the flash if an invalid password is supplied.
(6)
The interrupt vectors at addresses 0FFDCh to 0FFC0h are not used in this device and can be used for regular program code if
necessary.
16
Copyright
2006–2011, Texas Instruments Incorporated
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