1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Datasheet
Table 5.1 Register Set in Hexadecimal Order (continued)
REGISTER
ADDRESS
DEFAULT
VALUE
R/W
REGISTER NAME
FUNCTION
PAGE
2Dh
2Eh
2Fh
32h
33h
34h
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 25
R/W
R/W
R
External Diode 3
High Limit Low Byte
Stores the fractional portion of the
high limit for External Diode 3
00h
00h
00h
00h
00h
Page 25
Page 25
Page 31
Page 31
Page 31
External Diode 3 Low
Limit Low Byte
Stores the fractional portion of the
low limit for External Diode 3
Hottest Diode High
Byte
Stores the integer data for the
hottest temperature
R
Hottest Diode Low
Byte
Stores the fractional data for the
hottest temperature
R-C
Hottest Status
Status bits indicating which
external diode is hottest
35h
36h
39h
3Ah
R-C
R-C
R/W
R/W
High Limit Status
Low Limit Status
REC Configuration
Hottest Config
Status bits for the High Limits
Status bits for the Low Limits
Controls REC for all channels
00h
00h
00h
00h
Page 31
Page 32
Page 33
Page 33
Controls which external diode
channels are used in the “hottest
of “comparison
3Bh
40h
41h
42h
43h
44h
45h
46h
50h
R/W
R/W
R
Channel Config
Filter Control
Controls which channels are
enabled
00h
00h
00h
00h
00h
00h
00h
00h
Page 33
Page 34
Page 22
Page 22
Page 22
Page 22
Page 22
Page 22
Page 25
Controls the digital filter setting for
the External Diode 1 channel
External Diode 4
Data High Byte
Stores the integer data for the
External Diode 4 channel
R
External Diode 4
Data Low Byte
Stores the fractional data for the
External Diode 4 channel
R
External Diode 5
Data High Byte
Stores the integer data for the
External Diode 5 channel
R
External Diode 5
Data Low Byte
Stores the fractional data for the
External Diode 5 channel
R
External Diode 6
Data High Byte
Stores the integer data for the
External Diode 6 channel
R
External Diode 6
Data Low Byte
Stores the fractional data for the
External Diode 6 channel
R/W
External Diode 4
High Limit High Byte
Stores the integer data for the high
limit for the External Diode 4
channel
55h
(85°C)
51h
R/W
External Diode 4 Low
Limit High Byte
Stores the integer data for the low
limit for the External Diode 4
channel
00h
(0°C)
Page 25
Revision 0.62 (03-05-08)
SMSC EMC1046/EMC1047
DATA2S0HEET
SMSC [ SMSC CORPORATION ]
