EMC2102-DZK-TR SMSC, EMC2102-DZK-TR Datasheet - Page 31

• Manufacturer Part Number: EMC2102-DZK-TR
• Description: Industrial Temperature Sensors RPM Fan Contrllr
• Manufacturer: SMSC

Specifications of EMC2102-DZK-TR

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
Chapter 6 Register Set
SMSC EMC2102
6.1
00h
01h
02h
03h
04h
20h
21h
22h
23h
24h
30h
31h
32h
ADDR
R
R
R
R
R
R/W
R/W
R-C
R-C
R/W
R/W
R/W
R/W
R/W
The following registers are accessible through the SMBus Interface. All register bits marked as ‘-’ will
always read ‘0’. A write to these bits will have no effect.
Register Map
Internal Temp
Reading
External Diode 1
Temp Reading
External Diode 2
Temp Reading
External Diode 3
Temp Reading
Critical/Thermal
Shutdown
Temperature
Configuration
Conversion Rate
Interrupt Status
Register 1
Interrupt Status
Register 2
Interrupt Mask
Register
External Diode 1
Beta
Configuration
External Diode 2
Beta
Configuration
External Diode
REC
Configuration
REGISTER
NAME
Stores the integer data of the Internal
Temp Reading
Stores the integer data of External
Diode 1
Stores the integer data of External
Diode 2
Stores the integer data of External
Diode 3
Stores the calculated Critical/Thermal
Shutdown temperature high limit
derived from the voltage on TRIP_SET.
Configures the Thermal / Critical
Shutdown masking options and
software lock
Configures the conversion rate
Stores the status bits for temperature
channels
Stores the status bits for the thermal
shutdown and RPM based Fan Control
Algorithm
Controls the masking of interrupts on all
maskable channels
Configures the beta compensation
settings for External Diode 1
Configures the beta compensation
settings for External Diode 2
Configures the Resistance Error
Correction functionality for all external
diodes
Table 6.1 EMC2102 Register Set
Configuration and control
Temperature Registers
Diode Configuration
DATASHEET
FUNCTION
31
DEFAULT
00h
00h
00h
00h
7Fh
80h
02h
80h
00h
10h
03h
03h
07h
VALUE
Revision 2.02 (05-17-07)
No
No
No
No
No
SWL
SWL
No
No
No
SWL
SWL
SWL
LOCK
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