參數(shù)資料
型號(hào): LM95214
廠商: National Semiconductor Corporation
元件分類: 溫度/濕度傳感器
英文描述: Quad Remote Diode and Local Temperature Sensor with SMBus Interface
中文描述: 四遠(yuǎn)程二極管與本地溫度傳感器,帶有SMBus接口
文件頁(yè)數(shù): 15/38頁(yè)
文件大小: 448K
代理商: LM95214
a) TCRIT1 Mask Register, Status Register 1 and 2, and
TCRIT1 output logic diagram.
b) TCRIT2 Mask Register, Status Register 1 and 3, and
TCRIT2 output logic diagram.
c) TCRIT3 Mask Register, Status Register 1 and 4, and
TCRIT3 output logic diagram.
FIGURE 6. Logic diagrams for the TCRIT1, TCRIT2, and
TCRIT3 outputs.
If enabled, local temperature is compared to the user pro-
grammable Local Tcrit Limit Register (Default Value = 85°C).
The result of this comparison is stored in Status Register 2,
Status Register 3 and Status Register 4 (see
Figure 5
).The
comparison result can trigger TCRIT1 pin, TCRIT2 pin or
TCRIT3 pin depending on the settings in the TCRIT1 Mask,
TCRIT2 Mask and TCRIT3 Mask Registers (see
Figure 6
).
The comparison result can also be read back from the Status
Register 2, Status Register 3 and Status Register 4.
If enabled, remote temperature 1 is compared to the user
programmable Remote 1 Tcrit-1 Limit Register (Default Value
110°C) and Remote 1 Tcrit-2 Limit Register (Default Value =
85°C). The result of this comparison is stored in Status Reg-
ister 2, Status Register 3 and Status Register 4 (see
Figure
5
). The comparison result can trigger TCRIT1 pin, TCRIT2 pin
or TCRIT3 pin depending on the settings in the TCRIT1 Mask,
TCRIT2 Mask and TCRIT3 Mask Registers (see
Figure 6
).
The comparison result can also be read back from the Status
Register 2, Status Register 3 and Status Register 4. The re-
mote temperature 2 operates in a similar manner to remote
temperature 1 using its associated user programmable limit
registers: Remote 2 Tcrit-1 Limit Register (Default Value 110°
C) and Remote 2 Tcrit-2 Limit Register (Default Value = 85°
C). When enabled, the remote temperature 3 is compared to
the user programmable Remote 3 Tcrit Limit Register (Default
Value 85°C). The comparison result can trigger TCRIT1 pin,
TCRIT2 pin or TCRIT3 pin depending on the settings in the
TCRIT1 Mask, TCRIT2 Mask and TCRIT3 Mask Registers.
The comparison result can also be read back from the Status
Register 2, Status Register 3 and Status Register 4. The re-
mote temperature 4 operates in a similar manner to remote
temperature 3 using its associated user programmable limit
register: Remote 4 Tcrit Limit Register (Default Value 85°C).
15
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