Datasheet

Control/Status
(Read-Write)
Pointer = 00000100
Identification
(Read-Only)
Pointer = 00000111
Pointer Register
(selects register
for communication)
Interface
DataAddress
SMBDAT
SMBCLK
T
HIGH
(Read-Write)
Pointer = 00000010
T
LOW
(Read-Write)
Pointer = 00000011
Temperature
(Read-Only)
Pointer = 00000000
Configuration
(Read-Write)
Pointer = 00000001
LM73
www.ti.com SNIS141D –OCTOBER 2005–REVISED MAY 2009
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.
POINTER REGISTER
The diagram below shows the Pointer Register, the six internal registers to which it points, and their associated
pointer addresses.
Figure 11. Pointer Register
P7 P6 P5 P4 P3 P2 P1 P0
0 0 0 0 0 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.
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