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NRF52820-QDAA-R Datasheet(PDF) 352 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) 352 Page - Nordic Semiconductor

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Peripherals
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 B 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
D
RW PARITYTYPE
Even or odd parity type
Even
0
Even parity
Odd
1
Odd parity
6.24.11 Electrical specification
6.24.11.1 UART electrical specification
Symbol
Description
Min.
Typ.
Max.
Units
fUART
Baud rate for UART31.
1000
kbps
tUART,CTSH
CTS high time
1
µs
tUART,START
Time from STARTRX/STARTTX task to transmission started
1
µs
6.25 UARTE — Universal asynchronous receiver/
transmitter with EasyDMA
The Universal asynchronous receiver/transmitter with EasyDMA (UARTE) offers fast, full-duplex,
asynchronous serial communication with built-in flow control (CTS, RTS) support in hardware at a rate up
to 1 Mbps, and EasyDMA data transfer from/to RAM.
Listed here are the main features for UARTE:
• Full-duplex operation
• Automatic hardware flow control
• Optional even parity bit checking and generation
• EasyDMA
• Up to 1 Mbps baudrate
• Return to IDLE between transactions supported (when using HW flow control)
• One or two stop bit
• Least significant bit (LSB) first
TXD
(signal)
PSELCTS
PSELTXD
PSELRTS
PSELRXD
RXD
(signal)
STARTRX
STOPRX
RXTO
STARTTX
STOPTX
EasyDMA
EasyDMA
RAM
RXD+2
RXD+n
RXD+1
RXD
TXD+2
TXD+n
TXD+1
TXD
RXD.PTR
TXD.PTR
ENDRX
SUSPEND
RESUME
CTS
NCTS
ENDTX
RX
FIFO
Figure 131: UARTE configuration
31 High baud rates may require GPIOs to be set as High Drive, see GPIO for more details.
4463_156 v1.0
352



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