LM83CIMQA/NOPB National Semiconductor, LM83CIMQA/NOPB Datasheet - Page 13

• Manufacturer Part Number: LM83CIMQA/NOPB
• Description: IC TEMP SENSOR DIGITAL 16-SSOP
• Manufacturer: National Semiconductor
• Type: Sensorsr

Specifications of LM83CIMQA/NOPB

• Function: Hardware Monitor
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 1°C
• Temperature Sensing Range: -40°C To +125°C
• Supply Current: 800µA
• Supply Voltage Range: 3V To 3.6V
• Resolution (bits): 8bit
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM83CIMQA; *LM83CIMQA/NOPB; LM83CIMQA

1.0 Functional Description
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.
P0-P7: Command Select
P7
Command Se-
<
0
lect Address
P7:P0
0Eh-2Fh
3Bh-41h
43h-4Fh
32h-34h
36h-37h
53h-59h
0Ah
0Bh
0Ch
0Dh
3Ah
5Ah
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
30h
31h
35h
38h
39h
42h
50h
51h
52h
P6
>
hex
P5
<
D7:D0
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0111 1111
0111 1111
0000 0000
0111 1111
0111 1111
0000 0000
0000 0000
0000 0000
0111 1111
0111 1111
0111 1111
0111 1111
0111 1111
0111 1111
P4
Command Select
Power On Default State
>
binary
P3
P2
<
D7:D0
(Continued)
mal
127
127
127
127
127
127
127
127
127
127
P1
0
0
0
0
0
0
0
0
>
deci-
P0
13
Register Name
WD2RHS
WD1RHS
WD3RHS
RD2RHS
WD2LHS
RD1RHS
RD3RHS
RD2RT
RD1RT
RD3RT
WTCS
RTCS
RSR1
RLHS
RSR2
RLT
WC
RC
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
Register Function
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