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MSP430AFE223IPWR Datasheet(PDF) 10 Page - Texas Instruments |
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MSP430AFE223IPWR Datasheet(HTML) 10 Page - Texas Instruments |
10 / 47 page MSP430AFE2x3 MSP430AFE2x2 MSP430AFE2x1 SLAS701A – NOVEMBER 2010 – REVISED MARCH 2011 www.ti.com 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. Legend rw Bit can be read and written. rw-0, 1 Bit can be read and written. It is Reset or Set by PUC. rw-(0), (1) Bit can be read and written. It is Reset or Set by POR. SFR bit is not present in device. Table 6. Interrupt Enable 1 Address 7 6 5 4 3 2 1 0 00h UTXIE0 URXIE0 ACCVIE NMIIE OFIE WDTIE rw-0 rw-0 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 interrupt enable NMIIE (Non)maskable interrupt enable ACCVIE Flash access violation interrupt enable URXIE0 USART0: UART and SPI receive interrupt enable UTXIE0 USART0: UART and SPI transmit interrupt enable Table 7. Interrupt Enable 2 Address 7 6 5 4 3 2 1 0 01h Table 8. Interrupt Flag Register 1 Address 7 6 5 4 3 2 1 0 02h UTXIFG0 URXIFG0 NMIIFG RSTIFG PORIFG OFIFG WDTIFG rw-1 rw-0 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 URXIFG0 USART0: UART and SPI receive interrupt flag UTXIFG0 USART0: UART and SPI transmit interrupt flag Table 9. Interrupt Flag Register 2 Address 7 6 5 4 3 2 1 0 03h 10 Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated |
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