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NRF52820-QDAA-R Datasheet(PDF) 66 Page - Nordic Semiconductor

Part # NRF52820-QDAA-R
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-R Datasheet(HTML) 66 Page - Nordic Semiconductor

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Power and clock management
5.3.7.18 DCDCEN
Address offset: 0x578
Enable DC/DC converter for REG1 stage
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
RW DCDCEN
Enable DC/DC converter for REG1 stage.
Disabled
0
Disable
Enabled
1
Enable
5.3.7.19 MAINREGSTATUS
Address offset: 0x640
Main supply status
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
R
MAINREGSTATUS
Main supply status
Normal
0
Normal voltage mode. Voltage supplied on VDD.
High
1
High voltage mode. Voltage supplied on VDDH.
5.3.7.20 RAM[n].POWER (n=0..3)
Address offset: 0x900 + (n × 0x10)
RAMn power control register
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
D C
B A
Reset 0x0000FFFF
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
ID
Access
Field
Value ID
Value
Description
A-B RW S[i]POWER (i=0..1)
Keep RAM section Si on or off in System ON mode.
RAM sections are always retained when on, but can
also be retained when off depending on the settings in
SiRETENTION. All RAM sections will be off in System OFF
mode.
Off
0
Off
On
1
On
C-D RW S[i]RETENTION (i=0..1)
Keep retention on RAM section Si when RAM section is off
Off
0
Off
On
1
On
5.3.7.21 RAM[n].POWERSET (n=0..3)
Address offset: 0x904 + (n × 0x10)
RAMn power control set register
4463_156 v1.0
66



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