lm73cimkx-1 National Semiconductor Corporation, lm73cimkx-1 Datasheet - Page 13

• Manufacturer Part Number: lm73cimkx-1
• Description: 2.7v, Sot-23, 11-to-14 Bit Digital Temperature Sensor With 2-wire Interface
• Manufacturer: National Semiconductor Corporation

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.
Bits
7:3
2:0
P7
P2
0
0
0
0
0
1
1
P6
Name
Not Used
Register Select
P1
0
0
0
1
1
0
1
P5
P0
0
0
1
0
1
0
1
P4
0
13
REGISTER (Note 13)
P3
Description
Must write zeros only.
Pointer address. Points to
desired register. See table
below.
0
Control / Status
Configuration
Temperature
Identification
T
T
HIGH
P2
LOW
Register Select
P1
20147807
P0
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