LM73

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SNIS141D – OCTOBER 2005 – REVISED MAY 2009

Pointer Address 02h (R/W)

Reset State: 7FE0h (+255.75°C)

D15

D14

D13

D12

D11

D10

D9

D8

SIGN

128°C

64°C

32°C

16°C

8°C

4°C

2°C

D7

D6

D5

D4

D3

D2

D1

D0

1°C

0.5°C

0.25°C

reserved

Bits

Name

Description

15:5

Upper-Limit

If the measured temperature that is stored in this register exceeds this user-programmable upper

Temperature

temperature limit, the ALERT pin will go active and the THIGH flag in the Control/Status register will be

set to 1. Two's complement format.

4:0

Reserved

Returns zeros upon read. Recommend writing zeros only in these bits.

Pointer Address 03h (R/W)

Reset State: 8000h (–256°C)

D15

D14

D13

D12

D11

D10

D9

D8

SIGN

128°C

64°C

32°C

16°C

8°C

4°C

2°C

D7

D6

D5

D4

D3

D2

D1

D0

1°C

0.5°C

0.25°C

reserved

Bits

Name

Description

15:5

Lower-Limit

If the measured temperature that is stored in the temperature register falls below this user-

Temperature

Control/Status register will be set to 1. Two's complement format.

4:0

Reserved

Returns zeros upon read. Recommend writing zeros only in these bits.

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