Dual Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
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
DEFAULT
REGISTER
ADDRESS
R/W
REGISTER NAME
FUNCTION
VALUE
PAGE
Internal Diode Data
High Byte
Stores the integer data for the
Internal Diode
00h
01h
02h
R
00h
Page 27
External Diode Data
High Byte
Stores the integer data for the
External Diode
R
00h
00h
Stores status bits for the Internal
Diode and External Diode
R-C
Status
Page 28
Page 28
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 29
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 30
Stores the integer portion of the
high limit for the External Diode
(mirrored at register 0Dh)
External Diode High
Limit High Byte
55h
(85°C)
Stores the integer portion of the
low limit for the External Diode
(mirrored at register 0Eh)
External Diode Low
Limit High Byte
00h
(0°C)
Controls the general operation of
the device (mirrored at address
03h)
Configuration
Page 28
Page 29
00h
Controls the conversion rate for
updating temperature data
(mirrored at address 04h)
06h
(4/sec)
Conversion Rate
SMSC EMC1182
25
Revision 1.0 (07-11-13)
DATASHEET
SMSC [ SMSC CORPORATION ]
