EMC1424 SMSC Corporation, EMC1424 Datasheet - Page 29

• Manufacturer Part Number: EMC1424
• Description: (EMC1423 / EMC1424) Temperature Sensor
• Manufacturer: SMSC Corporation

1°C Temperature Sensor with Hardware Thermal Shutdown
Datasheet
SMSC EMC1423/EMC1424
REGISTER
ADDRESS
FDh
2Ah
2Bh
2Ch
2Dh
2Eh
20h
21h
22h
23h
24h
26h
28h
29h
2Fh
30h
31h
35h
36h
37h
40h
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R-C
R-C
R
R
R
R
R
R
R
External Diode 3 Low
External Diode 3 Low
External Diode 3 Low
Table 6.1 Register Set in Hexadecimal Order (continued)
High Limit High Byte
Consecutive ALERT
High Limit Low Byte
THERM Limit Status
Internal Diode Data
THERM Hysteresis
REGISTER NAME
Beta Configuration
High Limit Status
External Diode 2
External Diode 2
External Diode 2
External Diode 2
External Diode 3
External Diode 3
External Diode 3
External Diode 3
External Diode 3
Low Limit Status
Data High Byte
Limit High Byte
Data Low Byte
Limit Low Byte
Internal Diode
Ideality Factor
Ideality Factor
THERM Limit
THERM Limit
Filter Control
Product ID
High Byte
Low Byte
Byte
DATASHEET
Stores the 8-bit critical temperature
Stores the integer data for External
circuitry settings for External Diode
Stores the integer data for External
Stores the 8-bit critical temperature
Controls the digital filter setting for
Controls the number of out-of-limit
Stores the fractional portion of the
Stores the fractional portion of the
Stores a fixed value that identifies
conditions that must occur before
Status bits for the THERM Limits
Stores the fractional data for the
Stores the 8-bit hysteresis value
that applies to all THERM limits
Stores the integer portion of the
Stores the integer portion of the
Stores the Beta Compensation
high limit for External Diode 3
high limit for External Diode 3
Status bits for the High Limits
Status bits for the Low Limits
the External Diode 1 channel
low limit for External Diode 3
low limit for External Diode 3
Stores the fractional data for
Stores the fractional data for
Stores the ideality factor for
Stores the ideality factor for
limit for the Internal Diode
29
limit for External Diode 3
an interrupt is asserted
External Diode 2
External Diode 2
External Diode 3
External Diode 3
Internal Diode
each product
FUNCTION
Diode 2
Diode 3
2
08h or 07h
DEFAULT
Table 6.25
VALUE
(1.008)
(1.008)
(85°C)
(10°C)
(85°C)
(85°C)
(0°C)
0Ah
55h
00h
00h
12h
00h
00h
00h
55h
00h
00h
00h
55h
12h
00h
00h
00h
00h
70h
Revision 1.16 (03-15-07)
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