
MYXPM6021*
Revision 1.1 - 10/21/14
*Advanced information. Subject to change without notice.
89
MYXPM6021*
Form #: CSI-D-685 Document 011
Figure 39: 1st Level Interrupt
17.3 Second Level Interrupt
WhileFirst-LevelInterruptbitsinformtheinterrupthandlerofwhichsub-blockinterrupted,second-levelinterruptregisters/
bitsprovidetheinterrupthandlerwiththespecicnatureoftheblock‘sinterruptevent.
If any bits are set in a second-level interrupt mask, then the appropriate second level interrupt bit is prevented from
assertingtherstlevelinterruptbitforthecorrespondingsub-block,norwillthebitbecomeset.(Onlyunmasked2ndlevel
interruptbitsmaybeset).
Thetablebelowsummarizesthesecondlevelinterrupts.
Table 56: Second Level Interrupt
Interrupt Name Register Source
First-Level
Interrupt
Related
Status Bit Description
VBUSDET PWRSRCIRQ Input Power
Source Detection
PWRSRC SVBUSDET Indicates that a valid VBUS voltage is
detected or removed.
DCINDET PWRSRCIRQ Input Power
Source Detection
PWRSRC SDCINDET Triggered when a AC/DC adapter has
been detected or removed.
BATDET PWRSRCIRQ Input Power
Source Detection
PWRSRC SBATDET Interrupt is triggered when a battery is
connected or disconnected.
SYS0ALRT0 THRMIRQ0 Thermal Control
Unit
THRM Set by the thermal state machine when
a system thermistor 0 temperature
thermal alert0 occurs
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