參數(shù)資料
型號(hào)： MSP430F2274MDATEP
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, RISC MICROCONTROLLER, PDSO38
封裝： GREEN, PLASTIC, TSSOP-38
文件頁(yè)數(shù)： 80/80頁(yè)
文件大?。?/td> 1269K
代理商： MSP430F2274MDATEP
SLAS614D
– SEPTEMBER 2008 – REVISED MAY 2011
Special Function Registers
Most interrupt and module enable bits are collected into the lowest address space. Special function register bits
not allocated to a functional purpose are not physically present in the device. Simple software access is provided
with this arrangement.
Interrupt Enable 1 and 2
Address
7
6
5
4
3
2
1
0
00h
ACCVIE
NMIIE
OFIE
WDTIE
rw-0
WDTIE:
Watchdog Timer interrupt enable. Inactive if watchdog mode is selected. Active if Watchdog Timer
is configured in interval timer mode.
OFIE:
Oscillator fault enable
NMIIE:
(Non)maskable interrupt enable
ACCVIE:
Flash access violation interrupt enable
Address
7
6
5
4
3
2
1
0
01h
UCB0TXIE
UCB0RXIE
UCA0TXIE
UCA0RXIE
rw-0
UCA0RXIE
USCI_A0 receive-interrupt enable
UCA0TXIE
USCI_A0 transmit-interrupt enable
UCB0RXIE
USCI_B0 receive-interrupt enable
UCB0TXIE
USCI_B0 transmit-interrupt enable
Interrupt Flag Register 1 and 2
Address
7
6
5
4
3
2
1
0
02h
NMIIFG
RSTIFG
PORIFG
OFIFG
WDTIFG
rw-0
rw-(0)
rw-(1)
rw-1
rw-(0)
WDTIFG: Set on Watchdog Timer overflow (in watchdog mode) or security key violation.
Reset on VCC power-up or a reset condition at RST/NMI pin in reset mode.
OFIFG:
Flag set on oscillator fault
RSTIFG:
External reset interrupt flag. Set on a reset condition at RST/NMI pin in reset mode. Reset on VCC
power up.
PORIFG:
Power-On Reset interrupt flag. Set on VCC power up.
NMIIFG:
Set via RST/NMI-pin
Address
7
6
5
4
3
2
1
0
03h
UCB0
UCA0
TXIFG
RXIFG
TXIFG
RXIFG
rw-1
rw-0
rw-1
rw-0
UCA0RXIFG USCI_A0 receive-interrupt flag
UCA0TXIFG
USCI_A0 transmit-interrupt flag
UCB0RXIFG USCI_B0 receive-interrupt flag
UCB0TXIFG
USCI_B0 transmit-interrupt flag
xxx
Copyright
2008–2011, Texas Instruments Incorporated
9
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