1°C Multiple Temperature Sensor with Beta Compensation and Hottest of Thermal Zones
Datasheet
Chapter 5 Register Description
The registers shown in Table 5.1 are accessible through the SMBus. An entry of ‘-’ indicates that the
bit is not used and will always read ‘0’.
Table 5.1 Register Set in Hexadecimal Order
DEFAULT
REGISTER
ADDRESS
R/W
REGISTER NAME
FUNCTION
VALUE
PAGE
00h
01h
02h
03h
R
Internal Diode Data
High Byte
Stores the integer data for the
Internal Diode
00h
Page 22
R
External Diode 1
Data High Byte
Stores the integer data for the
External Diode 1
00h
00h
00h
Page 22
Page 23
Page 24
R-C
R/W
Status
Stores the status bits for the
Internal Diode and External Diodes
Configuration
Controls the general operation of
the device (mirrored at address
09h)
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Conversion Rate
Controls the conversion rate for
updating temperature data
(mirrored at address 0Ah)
06h
(4/sec)
Page 24
Page 25
Page 25
Page 25
Page 25
Page 24
Page 24
Page 25
Page 25
Page 25
Internal Diode High
Limit
Stores the 8-bit high limit for the
Internal Diode (mirrored at address
0Bh)
55h
(85°C)
Internal Diode Low
Limit
Stores the 8-bit low limit for the
Internal Diode (mirrored at address
0Ch)
00h
(0°C)
External Diode 1
High Limit High Byte
Stores the integer portion of the
high limit for the External Diode 1
(mirrored at register 0Dh)
55h
(85°C)
External Diode 1 Low
Limit High Byte
Stores the integer portion of the
low limit for the External Diode 1
(mirrored at register 0Eh)
00h
(0°C)
Configuration
Controls the general operation of
the device (mirrored at address
03h)
00h
Conversion Rate
Controls the conversion rate for
updating temperature data
(mirrored at address 04h)
06h
(4/sec)
Internal Diode High
Limit
Stores the 8-bit high limit for the
Internal Diode (mirrored at address
05h)
55h
(85°C)
Internal Diode Low
Limit
Stores the 8-bit low limit for the
Internal Diode (mirrored at address
06h)
00h
(0°C)
External Diode1 High
Limit High Byte
Stores the integer portion of the
high limit for the External Diode 1
(mirrored at register 07h)
55h
(85°C)
Revision 0.69 (06-29-09)
SMSC EMC1046/EMC1047
DATA1S8HEET
SMSC [ SMSC CORPORATION ]
