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Fan Speed Control with the EMC2102 Device
SMSC EMC2102
USER MANUAL Revision 0.2 (09-17-07)
25
5.5.4 Register Change Summary
Table 5.4, "Register Change Summary for Experiment 7" lists all register value changes from the
default cmf load to accomplish the tests.
Table 5.4 Register Change Summary for Experiment 7
REGISTER
NAME ADDRESS
DEFAULT
VALUE
NEW
VALUE COMMENT
Fan
Configuration
52Bh CBh 4Bh Disable RPM based fan control algorithm
ABh C8h - CFh Demonstrate UPDATE effect
Valid Tach
Count
56H 2010d 5000d Changed from 2010 RPM to 5000 RPM to show
the effect in closed-loop