Datasheet

29.8.9 32KHz Ultra Low Power Internal Oscillator (OSCULP32K) Control
Name: OSCULP32K
Offset: 0x1C
Reset: 0x00000000
Property: PAC Write-Protection
Bit 31 30 29 28 27 26 25 24
Access
Reset
Bit 23 22 21 20 19 18 17 16
Access
Reset
Bit 15 14 13 12 11 10 9 8
WRTLOCK CALIB[5:0]
Access
R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 x
Bit 7 6 5 4 3 2 1 0
EN1K EN32K
Access
R/W R/W
Reset 1 1
Bit 15 – WRTLOCK Write Lock
This bit locks the OSCULP32K register for future writes to fix the OSCULP32K configuration.
Value Description
0
The OSCULP32K configuration is not locked.
1
The OSCULP32K configuration is locked.
Bits 13:8 – CALIB[5:0] Oscillator Calibration
These bits control the oscillator calibration.
These bits are loaded from Flash Calibration at startup.
Bit 2 – EN1K 1kHz Output Enable
Value Description
0
The 1kHz output is disabled
1
The 1kHz output is enabled.
Bit 1 – EN32K
Value Description
0
The 32kHz output is disabled.
1
The 32kHz output is enabled.
SAM D5x/E5x Family Data Sheet
OSC32KCTRL – 32KHz Oscillators Controller
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 830