參數(shù)資料
型號： MSP430F235TPMR
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQFP64
封裝： GREEN, PLASTIC, LQFP-64
文件頁數(shù)： 9/91頁
文件大小： 1246K
代理商： MSP430F235TPMR
MSP430F23x
MSP430F24x(1)
MSP430F2410
SLAS547H
– JUNE 2007 – REVISED AUGUST 2011
Interrupt Vector Addresses
The interrupt vectors and the power-up starting address are located in the address range 0xFFFF to 0xFFC0.
The vector contains the 16-bit address of the appropriate interrupt-handler instruction sequence. If the reset
vector (0xFFFE) contains 0xFFFF (for example, if flash is not programmed) the CPU enters LPM4 after
power-up.
Table 7. Interrupt Vector Addresses
INTERRUPT SOURCE
INTERRUPT FLAG
SYSTEM INTERRUPT
WORD ADDRESS
PRIORITY
Power-up
PORIFG
External reset
WDTIFG
Watchdog
RSTIFG
Reset
0xFFFE
31, highest
Flash key violation
KEYV
PC out of range(1)
(see (2))
NMI
NMIIFG
(Non)maskable
Oscillator fault
OFIFG
(Non)maskable
0xFFFC
30
Flash memory access violation
ACCVIFG(2)(3)
(Non)maskable
Timer_B7(4)
TBCCR0 CCIFG(5)
Maskable
0xFFFA
29
TBCCR1 to TBCCR6 CCIFGs,
Timer_B7(4)
Maskable
0xFFF8
28
TBIFG(2)(5)
Comparator_A+
CAIFG
Maskable
0xFFF6
27
Watchdog timer+
WDTIFG
Maskable
0xFFF4
26
Timer_A3
TACCR0 CCIFG(5)
Maskable
0xFFF2
25
TACCR1 CCIFG
Timer_A3
Maskable
0xFFF0
24
TACCR2 CCIFG TAIFG(2)(5)
USCI_A0/USCI_B0 receive
UCA0RXIFG, UCB0RXIFG(2)(6)
Maskable
0xFFEE
23
USCI_B0 I2C status
USCI_A0/USCI_B0 transmit
UCA0TXIFG, UCB0TXIFG(2)(7)
Maskable
0xFFEC
22
USCI_B0 I2C receive / transmit
ADC12(8)
ADC12IFG(2)(5)
Maskable
0xFFEA
21
0xFFE8
20
I/O port P2 (eight flags)
P2IFG.0 to P2IFG.7(2)(5)
Maskable
0xFFE6
19
I/O port P1 (eight flags)
P1IFG.0 to P1IFG.7(2)(5)
Maskable
0xFFE4
18
USCI_A1/USCI_B1 receive
UCA1RXIFG, UCB1RXIFG(2)(6)
Maskable
0xFFE2
17
USCI_B1 I2C status
USCI_A1/USCI_B1 transmit
UCA1TXIFG, UCB1TXIFG(2)(7)
Maskable
0xFFE0
16
USCI_B1 I2C receive / transmit
Reserved(9)(10)
Reserved
0xFFDE to 0xFFC0
15 to 0, lowest
(1)
A reset is generated if the CPU tries to fetch instructions from within the module register memory address range (0x0000 to 0x01FF) 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)
Timer_B7 in MSP430F24x(1)/MSP430F2410 family has seven CCRs, Timer_B3 in MSP430F23x family has three CCRs. In Timer_B3,
there are only interrupt flags TBCCR0 CCIFG, TBCCR1 CCIFG, and TBCCR2 CCIFG, and the interrupt enable bits TBCCTL0 CCIE,
TBCCTL1 CCIE, and TBCCTL2 CCIE.
(5)
Interrupt flags are located in the module.
(6)
In SPI mode: UCB0RXIFG. In I2C mode: UCALIFG, UCNACKIFG, ICSTTIFG, UCSTPIFG.
(7)
In UART/SPI mode: UCB0TXIFG. In I2C mode: UCB0RXIFG, UCB0TXIFG.
(8)
ADC12 is not implemented in the MSP430F24x1 family.
(9)
The address 0xFFDE is used as bootstrap loader security key (BSLSKEY). A 0xAA55 at this location disables the BSL completely. A
zero disables the erasure of the flash if an invalid password is supplied.
(10) The interrupt vectors at addresses 0xFFDE to 0xFFC0 are not used in this device and can be used for regular program code if
necessary.
Copyright
2007–2011, Texas Instruments Incorporated
17
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