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MSP430F438IPNR Datasheet(PDF) 10 Page - Texas Instruments |
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MSP430F438IPNR Datasheet(HTML) 10 Page - Texas Instruments |
10 / 67 page MSP430F43x MIXED SIGNAL MICROCONTROLLER SLAS713 -- JUNE 2010 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 special function registers The MSP430 special function registers(SFR) are located in the lowest address space and are organized as byte mode registers. SFRs should be accessed with byte instructions. interrupt enable 1 and 2 76 54 0 UTXIE0 OFIE WDTIE 32 1 rw–0 rw–0 rw–0 Address 0h URXIE0 ACCVIE NMIIE rw–0 rw–0 rw–0 WDTIE: Watchdog timer interrupt enable. Inactive if watchdog mode is selected. Active if watchdog timer is configured as a general-purpose timer. OFIE: Oscillator fault interrupt enable NMIIE: Nonmaskable interrupt enable ACCVIE: Flash access violation interrupt enable URXIE0: USART0: UART and SPI receive-interrupt enable UTXIE0: USART0: UART and SPI transmit-interrupt enable 76 54 0 32 1 Address 01h rw–0 BTIE BTIE: Basic timer interrupt enable interrupt flag register 1 and 2 76 54 0 UTXIFG0 OFIFG WDTIFG 32 1 rw–0 rw–1 rw–(0) Address 02h URXIFG0 NMIIFG rw–1 rw–0 WDTIFG: Set on watchdog timer overflow (in watchdog mode) or security key violation Reset on VCC power-on or a reset condition at the RST/NMI pin in reset mode OFIFG: Flag set on oscillator fault NMIIFG: Set via RST/NMI pin URXIFG0: USART0: UART and SPI receive flag UTXIFG0: USART0: UART and SPI transmit flag 76 54 0 32 1 Address 03h BTIFG rw–0 BTIFG: Basic timer flag |
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