emc1428 Standard Microsystems Corp., emc1428 Datasheet - Page 40

• Manufacturer Part Number: emc1428
• Description: 1 Degree C Multiple Temperature Sensor With Hw Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

ADDR
Revision 0.68 (07-08-08)
5.16
5.17
34h
ADDR
32h
33h
2
0
0
0
0
1
1
1
1
R/W
R
R/W
Hottest Temperature Registers
Hottest Temperature Status Register
R
R
The Hottest Temperature Registers store the measured hottest temperature of all the selected external
diode channels (see
read 80h. The data format is the same as the temperature channels.
The Hottest Temperature Status Register flags which external diode temperature is hottest. If multiple
temperature channels measure the same temperature and are equal to the hottest temperature, then
hottest status will be based on the measurement order.
Temperature
REGISTER
Temperature
Temperature
Hottest
REGISTER
Status
High Byte
Low Byte
BETAX[2:0]
Hottest
Hottest
1
0
0
1
1
0
0
1
1
EXT7
Table 5.20 Beta Compensation Look Up Table
B7
Section
Sign
Table 5.21 Hottest Temperature Registers
0.5
B7
Table 5.22 Hottest Temperature Register
EXT6
B6
5.22). If no External diodes are selected then the High Byte Register will
0.25
B6
64
0
0
1
0
1
0
1
0
1
1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
DATASHEET
EXT5
B5
0.125
B5
32
40
EXT4
B4
B4
16
-
EXT3
B3
B3
8
-
MINIMUM BETA
EXT2
B2
B2
4
-
Disabled
< 0.176
< 0.111
< 0.08
< 0.29
< 0.48
< 2.33
< 0.9
EXT1
B1
2
B1
-
B0
1
-
INT
B0
SMSC EMC1428
DEFAULT
DEFAULT
Datasheet
80h
00h
00h