emc2101 Standard Microsystems Corp., emc2101 Datasheet - Page 23

• Manufacturer Part Number: emc2101
• Description: Emc2101 Fan Control With 1?c Accurate Temperature Monitoring
• Manufacturer: Standard Microsystems Corp.

SMBus Fan Control with 1°C Accurate Temperature Monitoring
Datasheet
SMSC EMC2101
Diode Fault (Open condition)
Diode Fault (Short condition)
TEMPERATURE (°C)
The EMC2101 measures temperatures from -64°C to 127°C represented as a binary two’s complement
number. Internal temperatures are in 1°C steps, external temperatures are in 0.125°C steps.
Table 5.2
format for the internal diode.
TEMPERATURE (°C)
>= 127.875
<= -64
-0.125
0.125
125
25
>= 127
-55
<= -64
-1
0
1
125
126
shows the temperature format for the external diode and
25
-55
-1
0
1
Table 5.2 EMC2101 External Temperature Data Format
Table 5.3 EMC2101 Internal Temperature Data Format
DATASHEET
23
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 1
1 1 0 0
1 1 0 0
0 1 1 1
DIGITAL OUTPUT (BINARY)
0 1 1 1
1 1 1 1
0 1 1 1
0 1 1 1
1 1 1 1
DIGITAL OUTPUT (BINARY)
1 1 0 0
1 1 0 0
0 0 0 0
0 0 0 0
0 0 0 1
0 1 1 1
0 1 1 1
1 1 1 1
0 1 1 1
0 0 0 0
1 0 0 1
1 1 0 1
1 1 1 1
0 0 0 0
0 0 0 0
0 0 0 1
1 0 0 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
Table 5.3
0 0 0 0
1 0 0 1
1 1 1 1
0 0 0 0
0 0 0 1
1 0 0 1
1 1 0 1
1 1 1 0
1 1 1 1
0 0 0
0 0 0
1 1 1
0 0 0
1 1 0
1 1 1
0 0 0
0 0 0
0 0 0
0 0 1
0 0 0
0 0 0
shows the temperature
Revision 2.53 (02-19-08)