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EMC1428 Datasheet(PDF) 28 Page - Microchip Technology

Part # EMC1428
Description  1째C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
PDF  53 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

EMC1428 Datasheet(HTML) 28 Page - Microchip Technology

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1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Data Sheet
DS20005275A-page 28
 2014 Microchip Technology Inc.
5.1
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.
5.2
Temperature Data Registers
71h
R/W
External Diode 4
Beta Configuration
Stores the Beta Compensation
circuitry settings for External Diode
4
08h
Page 40
72h
R/W
External Diode 6
Beta Configuration
Stores the Beta Compensation
circuitry settings for External Diode
6
08h
Page 40
FDh
R
Product ID -
EMC1428
Stores a fixed value that identifies
each product
29h
Page 46
FEh
R
Manufacturer ID
Stores a fixed value that
represents Microchip
5Dh
Page 46
FFh
R
Revision
Stores a fixed value that
represents the revision number
01h
Page 47
Table 5.2 Temperature Data Registers
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
00h
R
Internal Diode
High Byte
Sign
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
Sign
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
Sign
64
32
16
8
4
2
1
00h
24h
R
External Diode
2 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
2Ah
R
External Diode
3 High Byte
Sign
64
32
16
8
4
2
1
00h
2Bh
R
External Diode
3 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
Table 5.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
R/W
REGISTER NAME
FUNCTION
DEFAULT
VALUE
PAGE



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