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NRF52820-QDAA-R7 Datasheet(PDF) 59 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) 59 Page - Nordic Semiconductor

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Power and clock management
Register
Offset
Description
RESETREAS
0x400
Reset reason
RAMSTATUS
0x428
RAM status register
Deprecated
USBREGSTATUS
0x438
USB supply status
SYSTEMOFF
0x500
System OFF register
POFCON
0x510
Power-fail comparator configuration
GPREGRET
0x51C
General purpose retention register
GPREGRET2
0x520
General purpose retention register
DCDCEN
0x578
Enable DC/DC converter for REG1 stage
MAINREGSTATUS
0x640
Main supply status
RAM[0].POWER
0x900
RAM0 power control register
RAM[0].POWERSET
0x904
RAM0 power control set register
RAM[0].POWERCLR
0x908
RAM0 power control clear register
RAM[1].POWER
0x910
RAM1 power control register
RAM[1].POWERSET
0x914
RAM1 power control set register
RAM[1].POWERCLR
0x918
RAM1 power control clear register
RAM[2].POWER
0x920
RAM2 power control register
RAM[2].POWERSET
0x924
RAM2 power control set register
RAM[2].POWERCLR
0x928
RAM2 power control clear register
RAM[3].POWER
0x930
RAM3 power control register
RAM[3].POWERSET
0x934
RAM3 power control set register
RAM[3].POWERCLR
0x938
RAM3 power control clear register
Table 17: Register overview
5.3.7.1 TASKS_CONSTLAT
Address offset: 0x78
Enable Constant Latency mode
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_CONSTLAT
Enable Constant Latency mode
Trigger
1
Trigger task
5.3.7.2 TASKS_LOWPWR
Address offset: 0x7C
Enable Low-power mode (variable latency)
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_LOWPWR
Enable Low-power mode (variable latency)
Trigger
1
Trigger task
5.3.7.3 EVENTS_POFWARN
Address offset: 0x108
Power failure warning
4463_156 v1.0
59



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