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NRF52820-QDAA-R7 Datasheet(PDF) 75 Page - Nordic Semiconductor

Part # NRF52820-QDAA-R7
Description  nRF52820
PDF  437 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF52820-QDAA-R7 Datasheet(HTML) 75 Page - Nordic Semiconductor

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Power and clock management
Bit number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID
A
Reset 0x00000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID
Access
Field
Value ID
Value
Description
A
W TASKS_HFCLKSTART
Start HFXO crystal oscillator
Trigger
1
Trigger task
5.4.3.2 TASKS_HFCLKSTOP
Address offset: 0x004
Stop HFXO crystal oscillator
Bit number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID
A
Reset 0x00000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID
Access
Field
Value ID
Value
Description
A
W TASKS_HFCLKSTOP
Stop HFXO crystal oscillator
Trigger
1
Trigger task
5.4.3.3 TASKS_LFCLKSTART
Address offset: 0x008
Start LFCLK
Bit number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID
A
Reset 0x00000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID
Access
Field
Value ID
Value
Description
A
W TASKS_LFCLKSTART
Start LFCLK
Trigger
1
Trigger task
5.4.3.4 TASKS_LFCLKSTOP
Address offset: 0x00C
Stop LFCLK
Bit number
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ID
A
Reset 0x00000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ID
Access
Field
Value ID
Value
Description
A
W TASKS_LFCLKSTOP
Stop LFCLK
Trigger
1
Trigger task
5.4.3.5 TASKS_CAL
Address offset: 0x010
Start calibration of LFRC
4463_156 v1.0
75



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