Datasheet

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LM95234

SNIS136D –AUGUST 2006–REVISED MARCH 2013

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Bit(s) Bit Name Read/ Description

Write

2 SR3F RO Status Register 3 Flag:

1 – indicates that Status Register 3 has at least one bit set

0 – indicates that all of Status Register 3 bits are cleared

1 SR2F RO Status Register 2 Flag:

1 – indicates that Status Register 2 has at least one bit set

0 – indicates that all of Status Register 2 bits are cleared

0 SR1F RO Status Register 1 Flag:

1 – indicates that Status Register 1 has at least one bit set

0 – indicates that all of Status Register 1 bits are cleared

Status 1 Register (Diode Fault)

Status fault bits for open or shorted diode (i.e. Short Fault: D+ shorted to Ground or D-; Open Fault: D+ shorted

to V

, or floating). During fault conditions the temperature reading is 0 °C if unsigned value registers are read or

–128.000 °C if signed value registers are read.

Byte Write Default

(Hex) (Hex)

Status 1 (Diode Fault) 0x07 RO R4DO R4DS R3DO R3DS R2DO R2DS R1DO R1DS –

Bit(s) Bit Name Read/ Description

Write

7 R4DO RO Remote 4 diode open fault status:

1 – indicates that remote 4 diode has an "open" fault

0 – indicates that remote 4 diode does not have an "open" fault

6 R4DS RO Remote 4 diode short fault status:

1 – indicates that remote 4 diode has a "short" fault

0 – indicates that remote 4 diode does not have a "short" fault

5 R3DO RO Remote 3 diode open fault status:

1 – indicates that remote 3 diode has an "open" fault

0 – indicates that remote 3 diode does not have an "open" fault

4 R3DS RO Remote 3 diode short fault status:

1 – indicates that remote 3 diode has a "short" fault

0 – indicates that remote 3 diode does not have a "short" fault

3 R2DO RO Remote 2 diode open fault status:

1 – indicates that remote 2 diode has an "open" fault

0 – indicates that remote 2 diode does not have an "open" fault

2 R2DS RO Remote 2 diode short fault status:

1 – indicates that remote 2 diode has a "short" fault

0 – indicates that remote 2 diode does not have a "short" fault

1 R1DO RO Remote 1 diode open fault status:

1 – indicates that remote 1 diode has an "open" fault

0 – indicates that remote 1 diode does not have an "open" fault

0 R1DS RO Remote 1 diode short fault status:

1 – indicates that remote 1 diode has a "short" fault

0 – indicates that remote 1 diode does not have a "short" fault

Status 2 (TCRIT1)

Status bits for TCRIT1. When one or more of these bits are set and if not masked the TCRIT1 output will

activate. TCRIT1 will deactivate when all these bits are cleared.

Byte Write Default

(Hex) (Hex)

Status 2 (TCRIT1) 0x08 RO – – – R4T1 R3T1 R2T1 R1T1 LT1 –

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