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V62-08631-01XE Datasheet(PDF) 9 Page - Texas Instruments |
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V62-08631-01XE Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 80 page  MSP430F2274-EP www.ti.com 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 rw-0 rw-0 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 rw-0 rw-0 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 UCB0 UCA0 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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