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EMC1187 数据表(PDF) 33 Page - Microchip Technology

部件名 EMC1187
功能描述  Triple Channel 1째C Temperature Sensor with Hardware
PDF  47 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

EMC1187 数据表(HTML) 33 Page - Microchip Technology

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Triple Channel 1°C Temperature Sensor with Hardware Thermal Shutdown and 1.8V SMBus Communications
Datasheet
SMSC EMC1187
33
Revision 1.0 (07-11-13)
DATASHEET
6.8
Therm Limit Registers
The Therm Limit Registers are used to determine whether a critical thermal event has occurred. If the
measured temperature exceeds the Therm Limit, the SYS_SHDN pin will be asserted (if the
corresponding measurement channel is linked to the SYS_SHDN pin - see Section 6.10, "Software
Thermal Shutdown Configuration Register 1Dh"). The limit setting must match the chosen data format
of the temperature reading registers.
6.9
External Diode Fault Register 1Bh
The External Diode Fault Register indicates which of the external diodes caused the FAULT bit in the
Status Register to be set. This register is cleared when it is read.
Bit 2 - E2FLT - This bit is set if the External Diode 2 channel reported a diode fault.
Bit 1 - E1FLT - This bit is set if the External Diode 1 channel reported a diode fault.
6.10
Software Thermal Shutdown Configuration Register 1Dh
Table 6.9 Therm Limit Registers
ADDR.
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
19h
R/W
External
Diode Therm
Limit
128
64
32
16
8
4
2
1
55h
(85°C)
1Ah
R/W
External
Diode 2
Therm Limit
128
64
32
16
8
4
2
1
55h
(85°C)
20h
R/W
Internal Diode
Therm Limit
128
64
32
16
8
4
2
1
55h
(85°C)
21h
R/W
Therm
Hysteresis
128
64
32
16
8
4
2
1
0Ah
(10°C)
Table 6.10 External Diode Fault Register
ADDR.
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
1Bh
R-C
External
Diode Fault
--
-
-
E2FLT
E1FLT
-
00h
Table 6.11 Software Thermal Shutdown Configuration Register
ADDR.
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
1Dh
R/W
Software
Thermal
Shutdown
Configuration
--
-
-
-
E2SYS
EXT1SYS
INTSYS
00h



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