T32UC3L0128_14 Datasheet, PDF(229/852 Page) ATMEL Corporation – Compact Single-cycle RISC Instruction Set Including DSP Instructions

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

T32UC3L0128_14 Datasheet, PDF (229/852 Pages) ATMEL Corporation – Compact Single-cycle RISC Instruction Set Including DSP Instructions

◁

AT32UC3L0128/256

1: Power-on Reset 3.3V is masked.

â¢ POR33STATUS: Power-on Reset 3.3V Status

0: Power-on Reset is disabled.

1: Power-on Reset is enabled.

This bit is read-only. Writing to this bit has no effect.

â¢ POR33EN: Power-on Reset 3.3V Enable

0: Writing a zero to this bit disables the POR33 detector.

1: Writing a one to this bit enables the POR33 detector.

â¢ DEEPDIS: Disable Regulator Deep Mode

0: Regulator will enter deep mode in low-power sleep modes for lower power consumption.

1: Regulator will stay in full-power mode in all sleep modes for shorter start-up time.

â¢ FCD: Flash Calibration Done

0: The flash calibration will be redone after any reset.

1: The flash calibration will only be redone after a Power-on Reset.

This bit is cleared after a Power-on Reset.

This bit is set when the CALIB field has been updated by flash calibration after a reset.

â¢ CALIB: Calibration Value

Calibration value for Voltage Regulator. This is calibrated during production and should not be changed.

â¢ ON: Voltage Regulator On Status

0: The voltage regulator is currently disabled.

1: The voltage regulator is currently enabled.

This bit is read-only. Writing to this bit has no effect.

â¢ VREGOK: Voltage Regulator OK Status

0: The voltage regulator is disabled or has not yet reached a stable output voltage.

1: The voltage regulator has reached the output voltage threshold level after being enabled.

This bit is read-only. Writing to this bit has no effect.

â¢ EN: Enable

0: The voltage regulator is disabled.

1: The voltage regulator is enabled.

Note: This bit is set after a Power-on Reset (POR).

â¢ SELVDD: Select VDD

Output voltage of the Voltage Regulator. The default value of this bit corresponds to an output voltage of 1.8V.

Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Please

refer to the UNLOCK register description for details.

32145Câ06/2013

229

▷