Datasheet

LM95245

SNIS148G –OCTOBER 2007–REVISED MARCH 2013

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STATUS REGISTERS

Table 23. Status Register 1

(Read Only Address 02h):

D7 D6 D5 D4 D3 D2 D1 D0

Busy 0 0 ROS 0 Diode Fault RTCRIT LOC

Bits Name Description

7 Busy When set to "1" the part is converting.

6-5 Reserved Report "0" when read.

4 ROS Status Bit for Remote OS

3 Reserved Reports "0" when read.

2 Status bit for missing diode (Either D+ is shorted to GND, or V

; or D+ is floating.)

Diode Fault Note: The unsigned registers will report 0°C if read; the signed value registers will report

−128.000°C.

1 RTCRIT Status bit for Remote TCRIT.

0 LOC Status bit for the shared Local OS and TCRIT .

Table 24. Status Register 2

(Read Only Address 33h):

D7 D6 D5 D4 D3 D2 D1 D0

Not Ready Reserved 0 0 0 0 0 0

Bits Name Description

7 Not Ready Waiting for 30 ms power-up sequence to end.

6 Reserved Can report "0" or "1" when read.

5-0 Reserved Reports "0" when read.

LIMIT REGISTERS

Table 25. Unsigned Remote OS Limit - 0°C to 255°C

(Read/Write Address 07h/0Dh or 0Dh/07h):

D7 D6 D5 D4 D3 D2 D1 D0

128 64 32 16 8 4 2 1

Power on Reset default is 55h (85°C).

Table 26. Unsigned Local Shared OS and T_CRIT Limit - 0°C to 127°C

(Read/Write Address 20h):

D7 D6 D5 D4 D3 D2 D1 D0

128 64 32 16 8 4 2 1

Power on Reset default is 55h (85°C).

Table 27. Unsigned Remote T_CRIT Limit - 0°C to 255°C

(Read/Write Address 19h):

D7 D6 D5 D4 D3 D2 D1 D0

128 64 32 16 8 4 2 1

Power on Reset default is 6Eh (110°C).

Product Folder Links: LM95245