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EMC1413 데이터시트(PDF) 29 Page - SMSC Corporation

부품명 EMC1413
상세설명  Multiple Channel 1 Temperature Sensors with Beta Compensation
PDF  52 Pages
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제조업체  SMSC [SMSC Corporation]
홈페이지  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC1413 데이터시트(HTML) 29 Page - SMSC Corporation

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Multiple Channel 1°C Temperature Sensors with Beta Compensation
Datasheet
SMSC EMC1413 / EMC1414
29
Revision 1.41 (02-23-12)
DATASHEET
7.1
Data Read Interlock
When any temperature channel high byte register is read, the corresponding low byte is copied into
an internal ‘shadow’ register. The user is free to read the low byte at any time and be guaranteed that
it will correspond to the previously read high byte. Regardless if the low byte is read or not, reading
from the same high byte register again will automatically refresh this stored low byte data.
7.2
Temperature Data Registers
As shown in Table 7.2, all temperatures are stored as an 11-bit value with the high byte representing
the integer value and the low byte representing the fractional value left justified to occupy the MSBits.
37h
R
Therm Limit Status
Status bits for the Therm Limits
00h
Page 41
40h
R/W
Filter Control
Controls the digital filter setting for
the External Diode 1 channel
00h
Page 42
FDh
R
Product ID
(EMC1413)
Stores a fixed value that identifies
the device
21h
Page 42
FDh
R
Product ID
(EMC1414)
Stores a fixed value that identifies
the device
25h
Page 42
FEh
R
Manufacturer ID
Stores a fixed value that
represents SMSC
5Dh
Page 42
FFh
R
Revision
Stores a fixed value that
represents the revision number
04h
Page 43
Table 7.2 Temperature Data Registers
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
00h
R
Internal Diode
High Byte
128
64
32
16
8
4
2
1
00h
29h
R
Internal Diode
Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
01h
R
External Diode
1 High Byte
128
64
32
16
8
4
2
1
00h
10h
R
External Diode
1 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
23h
R
External Diode
2 High Byte
128
64
32
16
8
4
2
1
00h
24h
R
External Diode
2 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
Table 7.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
R/W
REGISTER NAME
FUNCTION
DEFAULT
VALUE
PAGE



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