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NRF52820-QDAA-R Datasheet(PDF) 249 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) 249 Page - Nordic Semiconductor

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Peripherals
6.15.2.9 TXD
Address offset: 0x51C
TXD 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
A A A A A A A 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 TXD
TX data to send. Double buffered.
6.15.2.10 FREQUENCY
Address offset: 0x524
SPI frequency. Accuracy depends on the HFCLK source selected.
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 A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A
Reset 0x04000000
0 0 0 0 0 1 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 FREQUENCY
SPI master data rate
K125
0x02000000
125 kbps
K250
0x04000000
250 kbps
K500
0x08000000
500 kbps
M1
0x10000000
1 Mbps
M2
0x20000000
2 Mbps
M4
0x40000000
4 Mbps
M8
0x80000000
8 Mbps
6.15.2.11 CONFIG
Address offset: 0x554
Configuration 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
C B 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 ORDER
Bit order
MsbFirst
0
Most significant bit shifted out first
LsbFirst
1
Least significant bit shifted out first
B
RW CPHA
Serial clock (SCK) phase
Leading
0
Sample on leading edge of clock, shift serial data on trailing
edge
Trailing
1
Sample on trailing edge of clock, shift serial data on leading
edge
C
RW CPOL
Serial clock (SCK) polarity
ActiveHigh
0
Active high
ActiveLow
1
Active low
4463_156 v1.0
249



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