Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Ficha De Dados
Códigos do produto
ATSAMD21-XPRO
24
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
Table 9-3.
NVM User Row Mapping
9.3.2
NVM Software Calibration Area Mapping
The NVM Software Calibration Area contains calibration data that are measured and written during production test.
These calibration values should be read by the application software and written back to the corresponding register.
These calibration values should be read by the application software and written back to the corresponding register.
The NVM Software Calibration Area can be read at address 0x806020.
The NVM Software Calibration Area can not be written.
Bit Position
Name
Usage
2:0
BOOTPROT
Used to select one of eight different bootloader sizes.
Refer to
. Default value = 7.
3
Reserved
6:4
EEPROM
Used to select one of eight different EEPROM sizes.
. Default value = 7.
7
Reserved
13:8
BOD33 Level
Default value = 7.
14
BOD33 Enable
BOD33 Enable at power on . Refer to
register. Default value = 1.
16:15
BOD33 Action
BOD33 Action at power on. Refer to
24:17
Reserved
Voltage Regulator Internal BOD (BOD12) configuration. These bits are written
in production and must not be changed. Default value = 0x70.
in production and must not be changed. Default value = 0x70.
25
WDT Enable
WDT Enable at power on. Refer to WDT
register.
Default value = 0.
26
WDT Always-On
WDT Always-On at power on. Refer to WDT
register.
Default value = 0.
30:27
WDT Period
register.
Default value = 0x0B.
34:31
WDT Window
WDT Window mode time-out at power on. Refer to WDT
Default value = 0x05.
38:35
WDT EWOFFSET
WDT Early Warning Interrupt Time Offset at power on. Refer to WDT
39
WDT WEN
register.
Default value = 0.
40
BOD33 Hysteresis
BOD33 Hysteresis configuration at power on. Refer to
register.
Default value = 0.
41
Reserved
Voltage Regulator Internal BOD(BOD12) configuration. This bit is written in
production and must not be changed. Default value = 0.
production and must not be changed. Default value = 0.
47:42
Reserved
63:48
LOCK
NVM Region Lock Bits.
Refer to
.
Default value = 0xFFFF.