AT32UC3L064_1 ATMEL [ATMEL Corporation], AT32UC3L064_1 Datasheet - Page 225

• Manufacturer Part Number: AT32UC3L064_1
• Description: AVR32 32-bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

14.6.18
Name:
Access Type:
Offset:
Reset Value:
• SFV: Store Final Value
• INTPD: Internal Pulldown
• POR33MASK: Power-On Reset 3.3V output Mask
• POR33STATUS: Power-On Reset 3.3V Status
• POR33EN: Power-On Reset 3.3V Enable
• DEEPDIS: Disable Regulator Deep Mode
• FCD: Flash Calibration Done
• CALIB: Calibration value
• ON: Voltage Regulator On Status
32099A–AVR32–06/09
SFV
ON
31
23
15
7
-
-
0: The register is read/write
1: The register is read-only, to protect against further accidental writes.
This bit is used for test purposes only.
0: The voltage regulator output is not pulled to ground
1: The voltage regulator output has a pulldown to ground
0: Power-On Reset 3.3V is not masked
1: Power-On Reset 3.3V is masked
0: Power-On Reset 3.3V is currently disabled
1: Power-On Reset 3.3V is currently enabled
This bit is a read-only bit. Writing to this bit has no effect.
0: Disable the 3.3V POR detector
1: Enable the 3.3V POR detector
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
Set to 1 when the CALIB field has been updated by the Flash fuses after power-on reset or when the Flash fuses are
reprogrammed. The CALIB field will not be updated again by the Flash fuses until a new power-on reset or the FCD field is
written to zero.
Calibration value for Voltage Regulator. See Electrical Characteristics for voltage values.
Voltage Regulator Calibration Register
VREGOK
INTPD
30
22
14
VREGCR
Read/Write
0x0044
0x00000000
6
-
-
EN
29
21
13
5
-
-
-
POR33MASK
28
20
12
4
-
-
-
POR33STAT
US
27
19
11
3
-
-
POR33EN
26
18
10
2
-
CALIB
DEEPDIS
SELVDD
25
17
9
1
-
AT32UC3L
FCD
24
16
8
0
-
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