Data Sheet

47
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
Write Protect Set
Name: WPSET
Offset: 0x04
Reset: 0x00800000
Property: -
z Bits 31:21 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
reset value when this register is written. These bits will always return reset value when read.
z Bits 20:1 – I2S, PTC, DAC, AC, ADC, TC7, TC6, TC5, TC4, TC3, TCC2, TCC1, TCC0, SERCOM5, SERCOM4,
SERCOM3, SERCOM2, SERCOM1, SERCOM0, EVSYS: Write Protect
0: Write-protection is disabled.
1: Write-protection is enabled.
Writing a zero to these bits has no effect.
Writing a one to these bits will set the Write Protect bit for the corresponding peripherals.
z Bit 0 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
Bit3130292827262524
AccessRRRRRRRR
Reset00000000
Bit2322212019181716
AC1 I2S PTC DAC AC ADC
Access R R R/W R/W R/W R/W R/W R/W
Reset10000000
Bit151413121110 9 8
TC7 TC6 TC5 TC4 TC3 TCC2 TCC1 TCC0
Access R/W R/W R/W R/W R/W R/W R/W R/W
Reset00000000
Bit76543210
SERCOM5 SERCOM4 SERCOM3 SERCOM2 SERCOM1 SERCOM0 EVSYS
Access R/W R/W R/W R/W R/W R/W R/W R
Reset00000000