2.0 LM73 Registers

The LM73’s internal registers are selected by the Pointer register. The Pointer register latches the last location that it was set to.

The pointer register and all internal registers are described below. All registers reset at device power up.

2.1 POINTER REGISTER

The diagram below shows the Pointer Register, the six internal registers to which it points, and their associated pointer

addresses.

20147807

P7

P6

P5

P4

P3

P2

P1

P0

0

0000

Register Select

Bits

Name

Description

7:3

Not Used

Must write zeros only.

2:0

Register Select

Pointer address. Points to

desired register. See table

below.

P2

P1

P0

REGISTER (Note 13)

0

0

0

Temperature

0

0

1

Configuration

01

0

T

HIGH

01

1

T

LOW

1

0

0

Control / Status

1

1

1

Identification

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