1°C Temperature Sensor with Beta Compensation
Datasheet
Chapter 6 Register Description
The registers shown in Table 6.1 are accessible through the SMBus. An entry of ‘-’ indicates that the
bit is not used and will always read ‘0’.
Table 6.1 Register Set in Hexadecimal Order
REGISTER
ADDRESS
DEFAULT
VALUE
R/W
REGISTER NAME
FUNCTION
PAGE
Internal Diode Data
High Byte
Stores the integer data for the
Internal Diode
00h
01h
02h
R
00h
00h
00h
Page 30
External Diode 1
Data High Byte
Stores the integer data for External
Diode 1
R
R
Stores the status bits for the
Internal Diode and External Diodes
Status
Page 31
Page 31
Controls the general operation of
the device (mirrored at address
09h)
03h
04h
05h
06h
07h
08h
09h
0Ah
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Configuration
00h
Controls the conversion rate for
updating temperature data
(mirrored at address 0Ah)
06h
(4/sec)
Conversion Rate
Page 32
Stores the 8-bit high limit for the
Internal Diode (mirrored at address
0Bh)
Internal Diode High
Limit
55h
(85°C)
Stores the 8-bit low limit for the
Internal Diode (mirrored at address
0Ch)
Internal Diode Low
Limit
00h
(0°C)
Page 33
Stores the integer portion of the
high limit for External Diode 1
(mirrored at register 0Dh)
External Diode 1
High Limit High Byte
55h
(85°C)
Stores the integer portion of the
low limit for External Diode 1
(mirrored at register 0Eh)
External Diode 1 Low
Limit High Byte
00h
(0°C)
Controls the general operation of
the device (mirrored at address
03h)
Configuration
00h
Page 31
Page 32
Controls the conversion rate for
updating temperature data
(mirrored at address 04h)
06h
(4/sec)
Conversion Rate
SMSC EMC1403/EMC1404
Revision 2.0 (08-10-12)
DATA2S7HEET
SMSC [ SMSC CORPORATION ]
