Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet
Product codes
ATSAMD20-XPRO
162
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
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 future writes to fix the OSCULP32K configuration.
This bit locks the OSCULP32K register for future 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 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