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MSP430X43X Datasheet(PDF) 15 Page - Texas Instruments

Part No. MSP430X43X
Description  Mixed signal microcontroller
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

MSP430X43X Datasheet(HTML) 15 Page - Texas Instruments

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MSP430x43x, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344C – JANUARY 2002 – REVISED MARCH2003
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
special function registers
Most interrupt and module-enable bits are collected in the lowest address space. Special-function register bits
not allocated to a functional purpose are not physically present in the device. This arrangement provides simple
software access.
interrupt enable 1 and 2
76
5
4
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 in interval timer mode.
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
5
4
0
UTXIE1
32
1
rw–0
rw–0
Address
01h
URXIE1
rw–0
BTIE
URXIE1:
USART1, UART, and SPI receive-interrupt enable (MSP430F44x devices only)
UTXIE1:
USART1, UART, and SPI transmit-interrupt enable (MSP430F44x devices only)
BTIE:
Basic timer interrupt enable
interrupt flag register 1 and 2
76
5
4
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 up 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
5
4
0
UTXIFG1
32
1
rw–1
rw–0
Address
03h
URXIFG1
BTIFG
rw
URXIFG1:
USART1, UART, and SPI receive flag (MSP430F44x devices only)
UTXIFG1:
USART1, UART, and SPI transmit flag (MSP430F44x devices only)
BTIFG:
Basic timer flag


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