UCD90320
ZHCSFI3B –AUGUST 2016–REVISED MAY 2019
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Device Functional Modes (continued)
Figure 7. Rail Profile Configurations (Rail Config ► Edit Rail Profiles)
The device offers 50 individual profiles shared among all 24 AMON voltage rails. Each AMON voltage rail can
have at least one but no more than 4 profiles. The profiles are controlled by 2 GPIs as shown in Figure 8. A
programmable block-out period is used to block all voltage related faults on the given rail when profile is
changed.
Figure 8. Rails Profile Selection Through GPIs (Rail Config ► Edit Rail Profiles)
The device supports digital monitor. If a DMON pin is assigned in Figure 7 to monitor POWER_GOOD of POL.
The DMON rail has no rail profile. If the DMON input is logic HIGH, the rail is POWER_GOOD, otherwise the
rails has UV fault or warns and is at POWER_NOT_GOOD.
Figure 9. Digital Rail Configuration Window
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