Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
180
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
16.8.8 32kHz Ultra Low Power Internal Oscillator (OSCULP32K) Control
Name:
OSCULP32K
Offset:
0x1C
Reset:
0xXX
Property:
Write-Protected
z
Bit 7 – WRTLOCK: Write Lock
This bit locks the OSCULP32K register for futur writes to fix the OSCULP32K configuration.
0: The OSCULP32K configuration is not locked.
1: The OSCULP32K configuration is locked.
This bit locks the OSCULP32K register for futur writes to fix the OSCULP32K configuration.
0: The OSCULP32K configuration is not locked.
1: The OSCULP32K configuration is locked.
z
Bits 6:5 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z
Bits 4:0 – CALIB[4:0]: Oscillator Calibration
These bits control the oscillator calibration.
These bits are loaded from Flash Calibration at startup.
These bits control the oscillator calibration.
These bits are loaded from Flash Calibration at startup.
Bit
7
6
5
4
3
2
1
0
WRTLOCK
CALIB[4:0]
Access
R/W
R
R
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
X
X
X
X
X