AT32UC3L064-D3HES ATMEL [ATMEL Corporation], AT32UC3L064-D3HES Datasheet - Page 226

• Manufacturer Part Number: AT32UC3L064-D3HES
• 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
32099D–06/2010
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 a reset.
0: The flash calibration will be redone after any reset.
1: The flash calibration will only be redone after a power-on reset.
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
-
AT32UC3L016/32/64
CALIB
DEEPDIS
SELVDD
25
17
9
1
-
FCD
24
16
8
0
-
226