LM83_15 Datasheet, PDF (14/22 Pages) Texas Instruments – Triple-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface

1.0 Functional Description (Continued)
2.0 LM83 REGISTERS
2.1 COMMAND REGISTER
Selects which registers will be read from or written to. Data for this register should be transmitted during the Command Byte of
the SMBus write communication.
P7 P6 P5 P4 P3 P2 P1 P0
0
Command Select
P0-P7: Command Select
Command Se-
lect Address
<P7:P0> hex
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh-2Fh
30h
31h
32h-34h
35h
36h-37h
38h
39h
3Ah
3Bh-41h
42h
43h-4Fh
50h
51h
52h
53h-59h
5Ah
Power On Default State
<D7:D0> binary
0000 0000
0000 0000
<D7:D0> deci-
mal
0
0
0000 0000
0
0000 0000
0
0000 0000
0
0111 1111
127
0111 1111
127
0000 0000
0111 1111
127
0111 1111
127
0000 0000
0
0000 0000
0
0000 0000
0
0111 1111
127
0111 1111
127
0111 1111
127
0111 1111
127
0111 1111
127
0111 1111
127
Register Name
Register Function
RLT
RD2RT
RSR1
RC
RLHS
RD2RHS
WC
WD2LHS
WD2RHS
RD1RT
RD3RT
RSR2
RD1RHS
RD3RHS
RTCS
WD1RHS
WD3RHS
WTCS
Read Local Temperature
Read D2 Remote
Temperature
Read Status Register 1
Read Configuration
Reserved
Read Local HIGH Setpoint
Reserved
Read D2 Remote HIGH
Setpoint
Reserved
Write Configuration
Reserved
Write Local HIGH Setpoint
Reserved
Write D2 Remote HIGH
Setpoint
Reserved for Future Use
Read D1 Remote
Temperature
Read D3 Remote
Temperature
Reserved for Future Use
Read Status Register 2
Reserved for Future Use
Read D1 Remote HIGH
Setpoint
Reserved for Future Use
Read D3 Remote HIGH
Setpoint
Reserved for Future Use
Read T_CRIT Setpoint
Reserved for Future Use
Write D1 Remote HIGH
Setpoint
Reserved for Future Use
Write D3 Remote HIGH
Setpoint
Reserved for Future Use
Write T_CRIT Setpoint
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