L9945 datasheet(108/151 Pages) STMICROELECTRONICS

108 / 151 page

[23] UV_DIS_STATE: Shows if the device is currently in VDD5 under voltage disable

0: Currently no UV condition

1: UV condition active

Reset: 0

Reset Condition: Read out POR, NRES

[22] UV_DIS_LATCH: Bit set to 1 (UV filter expired) if VDD5 under voltage disable was triggered

0: no UV condition detected

1: UV condition detected

Reset: 0

Reset Condition: Read out POR

[21] DIS_STATE: Shows if the device is currently disabled by the DIS input signal

0: DIS inactive

1: DIS active

Reset: X

Reset Condition: -

[20] DIS_LATCH: Shows if DIS was applied since last read out. Bit set to 1 by DIS input set HIGH

0: No DIS detected

1: DIS detected

Reset: X

Reset Condition: Read out POR

[19] NDIS_STATE: Shows if the device is currently disabled by the NDIS input signal

0: NDIS active

1: NDIS inactive

Reset: X

Reset Condition: -

[18] NDIS_LATCH: Shows if NDIS was applied since last read out. Bit set to 1 by NDIS input = LOW

0: No NDIS detected

1: NDIS detected

Reset: X

Reset Condition: Read out POR

[17] NDIS_OUT_LATCH: Shows NDIS was used as output and internally pulled down.

0: No internal NDIS activation

1: Internal NDIS activation

Reset: X

Reset Condition: Read out POR

[16] CONFIG_CC_STATE: Shows if communication check functionality is activated or deactivated

0: CC inactive

1: CC active

Reset: X

Reset Condition: Read out POR

[15] CC_LATCH: Shows if CC failed since last read out. Bit set to 1 if communication check failed

0: no CC failure detected

1: CC failure detected

Reset: X

Reset Condition: Read out POR

L9945

SPI MOSI/MISO list

DS12275 - Rev 8

page 108/151

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