參數(shù)資料
型號： LM95213
廠商： National Semiconductor Corporation
元件分類： 溫度/濕度傳感器
英文描述： 2-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface and TCRIT Outputs
中文描述： 2二極管輸入和本地數(shù)字溫度傳感器兩線輸出接口和TCRIT
文件頁數(shù)： 23/34頁
文件大?。?/td> 415K
代理商： LM95213
2.4 STATUS REGISTERS
2.4.1 Common Status Register
Register Name
Command
Byte
(Hex)
0x02
Read/
Write
D7
D6
D5
D4
D3
D2
D1
D0
POR
Default
(Hex)
0x00
Common Status Register
RO
BUSY
NR
–
–
SR4F
SR3F
SR2F
SR1F
Bit(s)
Bit Name
Read/
Write
RO
RO
RO
Description
7
6
5–4
BUSY
NR
–
SR4F
Busy bit (device converting)
Not Ready bit (30 ms), indicates power up initialization sequence is in progress
Reserved – will report "0" when read.
3
RO
Status Register 4 Flag:
1 – indicates that Status Register 4 has at least one bit set
0 – indicates that all of Status Register 4 bits are cleared
Status Register 3 Flag:
1 – indicates that Status Register 3 has at least one bit set
0 – indicates that all of Status Register 3 bits are cleared
Status Register 2 Flag:
1 – indicates that Status Register 2 has at least one bit set
0 – indicates that all of Status Register 2 bits are cleared
Status Register 1 Flag:
1 – indicates that Status Register 1 has at least one bit set
0 – indicates that all of Status Register 1 bits are cleared
2
SR3F
RO
1
SR2F
RO
0
SR1F
RO
2.4.2 Status 1 Register (Diode Fault)
Status fault bits for open or shorted diode (i.e. Short Fault: D+ shorted to Ground or D-; Open Fault: D+ shorted to V
, or floating).
During fault conditions the temperature reading is 0 °C if unsigned value registers are read or –128.000 °C if signed value registers
are read.
Register Name
Command
Byte
(Hex)
0x07
Read/
Write
D7
D6
D5
D4
D3
D2
D1
D0
POR
Default
(Hex)
–
Status 1 (Diode Fault)
RO
0
0
0
0
R2DO R2DS
R1DO R1DS
Bit(s)
Bit Name
Read/
Write
RO
Description
7-4
–
R2DO
Reserved – will report "0" when read.
3
RO
Remote 2 diode open fault status:
1 – indicates that remote 2 diode has an "open" fault
0 – indicates that remote 2 diode does not have an "open" fault
Remote 2 diode short fault status:
1 – indicates that remote 2 diode has a "short" fault
0 – indicates that remote 2 diode does not have a "short" fault
Remote 1 diode open fault status:
1 – indicates that remote 1 diode has an "open" fault
0 – indicates that remote 1 diode does not have an "open" fault
Remote 1 diode short fault status:
1 – indicates that remote 1 diode has a "short" fault
0 – indicates that remote 1 diode does not have a "short" fault
2
R2DS
RO
1
R1DO
RO
0
R1DS
RO
23
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相關PDF資料
PDF描述
LM95213CISD 2-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface and TCRIT Outputs
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