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SAMD21J Datasheet(PDF) 35 Page - Microchip Technology

Part # SAMD21J
Description  32-bit ARM-Based Microcontrollers
PDF  59 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

SAMD21J Datasheet(HTML) 35 Page - Microchip Technology

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Bit
15
14
13
12
11
10
9
8
Access
Reset
Bit
7
6
5
4
3
2
1
0
EIC
RTC
WDT
GCLK
SYSCTRL
PM
Access
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
Bit 6 – EIC
Writing a zero to these bits has no effect.
Writing a one to these bits will clear the Write Protect bit for the corresponding peripherals.
Value
Description
0
Write-protection is disabled.
1
Write-protection is enabled.
Bit 5 – RTC
Writing a zero to these bits has no effect.
Writing a one to these bits will clear the Write Protect bit for the corresponding peripherals.
Value
Description
0
Write-protection is disabled.
1
Write-protection is enabled.
Bit 4 – WDT: 
Writing a zero to these bits has no effect.
Writing a one to these bits will clear the Write Protect bit for the corresponding peripherals.
Value
Description
0
Write-protection is disabled.
1
Write-protection is enabled.
Bit 3 – GCLK
Writing a zero to these bits has no effect.
Writing a one to these bits will clear the Write Protect bit for the corresponding peripherals.
Value
Description
0
Write-protection is disabled.
1
Write-protection is enabled.
Bit 2 – SYSCTRL
Writing a zero to these bits has no effect.
Writing a one to these bits will clear the Write Protect bit for the corresponding peripherals.
Value
Description
0
Write-protection is disabled.
1
Write-protection is enabled.
32-bit ARM-Based Microcontrollers
© 2017 Microchip Technology Inc.
Datasheet Summary
40001884A-page 35



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