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EMC1428 Datenblatt(PDF) 29 Page - Microchip Technology

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

EMC1428 Datenblatt(HTML) 29 Page - Microchip Technology

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1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Data Sheet
 2014 Microchip Technology Inc.
DS20005275A-page 29
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. The data format is
standard 2’s complement from -64°C to 127.875°C as shown in Table 5.3.
41h
R
External Diode
4 High Byte
Sign
64
32
16
8
4
2
1
00h
42h
R
External Diode
4 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
43h
R
External Diode
5 High Byte
Sign
64
32
16
8
4
2
1
00h
44h
R
External Diode
5 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
45h
R
External Diode
6 High Byte
Sign
64
32
16
8
4
2
1
00h
46h
R
External Diode
6 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
47h
R
External Diode
7 High Byte
Sign
64
32
16
8
4
2
1
00h
48h
R
External Diode
7 Low Byte
0.5
0.25
0.125
-
-
-
-
-
00h
Table 5.3 Temperature Data Format
TEMPERATURE (°C)
BINARY
HEX (AS READ BY
REGISTERS)
Diode Fault
1000_0000_000b
80_00h
-64
1100_0000_000b
C0_00h
-63.875
1100_0000_001b
C0_20h
-1
1111_1111_000b
FF_00h
-0.125
1111_1111_111b
FF_E0h
0
0000_0000_000b
00_00h
0.125
0000_0000_001b
00_20h
1
0000_0001_000b
01_00h
63
0011_1111_000b
3F_00h
64
0100_0000_000b
40_00h
127
0111_1111_000b
7F_00h
127.875
0111_1111_111b
7F_E0h
Table 5.2 Temperature Data Registers (continued)
ADDR
R/W
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT



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