Datasheet

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 
SBAS323G − JUNE 2004 − REVISED OCTOBER 2007
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Auxiliary Interrupt Status (AISTAT)
7 6 5 4 3 2 1 0 Reset Value
SFR A7h SEC SUM ADC MSEC SPIT SPIR/I2CSI ALVD DLVD 00h
SEC Second System Timer Interrupt Status Flag (lowest priority AI).
bit 7 0: SEC interrupt inactive or masked.
1: SEC Interrupt active.
SUM Summation Register Interrupt Status Flag.
bit 6 0: SUM interrupt inactive or masked (if active, it is set inactive by reading the lowest byte of the Summation register).
1: SUM interrupt active.
ADC ADC Interrupt Status Flag.
bit 5 0: ADC interrupt inactive or masked (If active, it is set inactive by reading the lowest byte of the Data Output Register).
1: ADC interrupt active (If active no new data will be written to the Data Output Register).
MSEC Millisecond System Timer Interrupt Status Flag.
bit 4 0: MSEC interrupt inactive or masked.
1: MSEC interrupt active.
SPIT SPI Transmit Interrupt Status Flag.
bit 3 0: SPI transmit interrupt inactive or masked.
1: SPI transmit interrupt active.
SPIR/I2CSI SPI Receive Interrupt Status Flag. I
2
C Status Interrupt. (I
2
C available only on the MSC1213.)
bit 2 0: SPI receive or I2CSI interrupt inactive or masked.
1: SPI receive or I2CSI interrupt active.
ALVD Analog Low Voltage Detect Interrupt Status Flag.
bit 1 0: ALVD interrupt inactive or masked.
1: ALVD interrupt active.
DLVD Digital Low Voltage Detect or Breakpoint Interrupt Status Flag (highest priority AI).
bit 0 0: DLVD interrupt inactive or masked.
1: DLVD interrupt active.