1°C Temperature Sensor with Beta Compensation
Datasheet
Table 6.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
DEFAULT
VALUE
R/W
REGISTER NAME
FUNCTION
PAGE
Internal Diode
THERM Limit
Stores the 8-bit critical temperature
limit for the Internal Diode
55h
(85°C)
20h
21h
R/W
Page 35
Stores the 8-bit hysteresis value
that applies to all THERM limits
0Ah
(10°C)
R/W
R/W
THERM Hysteresis
Consecutive ALERT
Controls the number of out-of-limit
conditions that must occur before
an interrupt is asserted
22h
70h
Page 37
Page 30
External Diode 2
Data High Byte
Stores the integer data for External
Diode 2
23h
24h
R
R
00h
00h
External Diode 2
Data Low Byte
Stores the fractional data for
External Diode 2
Stores the Beta Compensation
circuitry settings for External Diode
1
External Diode 1
Beta Configuration
25h
26h
R/W
R/W
08h
Page 38
Page 38
Stores the Beta Compensation
circuitry settings for External Diode
2
External Diode 2
Beta Configuration
08h or 07h
External Diode 1
Ideality Factor
Stores the ideality factor for
External Diode 1
12h
(1.008)
27h
28h
29h
2Ah
2Bh
2Ch
2Dh
2Eh
2Fh
30h
31h
R/W
R/W
R
Page 39
Page 39
Page 30
External Diode 2
Ideality Factor
Stores the ideality factor for
External Diode 2
12h
(1.008)
Internal Diode Data
Low Byte
Stores the fractional data for the
Internal Diode
00h
00h
00h
External Diode 3
High Byte
Stores the integer data for External
Diode 3
R
Page 30
External Diode 3 Low
Byte
Stores the fractional data for
External Diode 3
R
External Diode 3
High Limit High Byte
Stores the integer portion of the
high limit for External Diode 3
55h
(85°C)
R/W
R/W
R/W
R/W
R/W
R/W
External Diode 3 Low
Limit High Byte
Stores the integer portion of the
low limit for External Diode 3
00h
(0°C)
Page 33
External Diode 3
High Limit Low Byte
Stores the fractional portion of the
high limit for External Diode 3
00h
00h
External Diode 3 Low
Limit Low Byte
Stores the fractional portion of the
low limit for External Diode 3
External Diode 3
THERM Limit
Stores the 8-bit critical temperature
limit for External Diode 3
55h
(85°C)
Page 35
Page 39
External Diode 3
Ideality Factor
Stores the ideality factor for
External Diode 3
12h
(1.008)
35h
36h
R-C
R-C
High Limit Status
Low Limit Status
Status bits for the High Limits
Status bits for the Low Limits
00h
00h
Page 41
Page 41
SMSC EMC1403/EMC1404
Revision 2.0 (08-10-12)
DATA2S9HEET
SMSC [ SMSC CORPORATION ]
