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EMC1187 数据表(PDF) 32 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) 32 Page - Microchip Technology

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Triple Channel 1°C Temperature Sensor with Hardware Thermal Shutdown and 1.8V SMBus Communications
Datasheet
Revision 1.0 (07-11-13)
32
SMSC EMC1187
DATASHEET
The device contains both high and low limits for all temperature channels. If the measured temperature
exceeds the high limit, then the corresponding status bit is set and the ALERT pin is asserted.
Likewise, if the measured temperature is less than or equal to the low limit, the corresponding status
bit is set and the ALERT pin is asserted.
The data format for the limits must match the selected data format for the temperature so that if the
extended temperature range is used, the limits must be programmed in the extended data format.
The limit registers with multiple addresses are fully accessible at either address.
6.7
Scratchpad Registers 11h and 12h
The Scratchpad Registers are Read / Write registers that are used for place holders to be software
compatible with legacy programs. Reading from the registers will return what is written to them.
18h
R/W
External
Diode 2 Low
Limit Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h
2Ch
R/W
External
Diode 3 High
Limit High
Byte
128
6432
16
8
42
1
55h
(85°C)
2Dh
R/W
External
Diode 3 Low
Limit High
Byte
128
6432
16
8
42
1
00h
(0°C)
2Eh
R/W
External
Diode 3 High
Limit Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h
2Fh
R/W
External
Diode 3 Low
Limit Low
Byte
0.5
0.25
0.125
-
-
-
-
-
00h
Table 6.8 Scratchpad Register
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
11h
R/W
Scratchpad
7
6
5
4
3
2
1
0
00h
12h
R/W
Scratchpad
7
6
5
4
3
2
1
0
00h
Table 6.7 Temperature Limit Registers (continued)
ADDR.
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT



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