Datasheet

98
32117D–AVR-01/12
AT32UC3C
8.6.6 Power and Clocks Status Register
Name: PCLKSR
Access Type: Read-Only
Offset: 0x0014
Reset Value: 0x00000000
• AE: SCIF Access Error
0: No access error has occurred on the SCIF.
1: An access error has occurred on the SCIF.
• PLLL1_LOCKLOST: PLL1 lock lost value
0: PLL1 has not lost its lock or has never been enabled.
1: PLL1 has lost its lock, either by disabling the PLL1 or due to faulty operation.
• PLLL0_LOCKLOST: PLL0 lock lost value
0: PLL0 has not lost its lock or has never been enabled.
1: PLL0 has lost its lock, either by disabling the PLL0 or due to faulty operation.
• BOD50DET: 5.0V Brown out detection
0: BOD50 not enabled or the 5.0V power supply is above the BOD50 threshold.
1: BOD50 enabled and the 5.0V power supply is going below BOD50 threshold.
• BOD33DET: 3.3V Brown out detection
0: BOD33 not enabled or the 3.3V power supply is above the BOD33 threshold.
1: BOD33 enabled and the 3.3V power supply is going below BOD33 threshold.
• BODDET: 1.8V Brown out detection
0: BOD18 not enabled or the 1.8V power supply is above the BOD18 threshold.
1: BOD18 enabled and the 1.8V power supply is going below BOD18 threshold.
• PLL1_LOCK: PLL1 Locked on Accurate value
0: PLL1 is unlocked on accurate value.
1: PLL1 is locked on accurate value, and is ready to be selected as clock source with an accurate output clock.
• PLL0_LOCK: PLL0 Locked on Accurate value
0: PLL0 is unlocked on accurate value.
1: PLL0 is locked on accurate value, and is ready to be selected as clock source with an accurate output clock.
31 30 29 28 27 26 25 24
AE-------
23 22 21 20 19 18 17 16
--------
15 14 13 12 11 10 9 8
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PLL1_LOCK
LOST
PLL0_LOCK
LOST
BOD50DET
76543210
BOD33DET BODDET PLL1_LOCK PLL0_LOCK
RCOSC8MR
DY
OSC32RDY OSC1RDY OSC0RDY