Datasheet

www.ti.com AMC80EVM Software Overview
5.2.6 Fan Inputs
As shown in Figure 18, the values read from the AMC80 for FAN1 count and FAN2 count are displayed in
the FAN Inputs box in units of counts (see the AMC80 data sheet for a complete description) and units of
RPM. The divisor may also be set by entering a value in the Fan1 Divisor control box or Fan2 Divisor
control box, and clicking the Write all Reg button.
Figure 18. Fan Input Indicators and Divisor Controls
5.2.7 Additional Controls
The power supply to the AMC80 may be toggled between +3.3V and +5V by toggling the Power Voltage
indicator shown in Figure 19.
Figure 19. Power-Supply Control
Additional control over the Configuration Register is provided on a bit level basis by the controls shown in
Figure 20. A bright green indicator represents an active bit, and a dark green indicator represents an
inactive bit. After toggling to the desired level, press the Write all Reg button to change the Configuration
Register.
Figure 20. Configuration Register Controls
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SBOU101–March 2011 AMC80EVM
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