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NRF52820-QDAA-R Datasheet(PDF) 162 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) 162 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
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
R
ACCDBLREAD
[0..15]
Snapshot of the ACCDBL register. This field is updated when
the READCLRACC or RDCLRDBL task is triggered.
6.11.8 Electrical specification
6.11.8.1 QDEC Electrical Specification
Symbol
Description
Min.
Typ.
Max.
Units
tSAMPLE
Time between sampling signals from quadrature decoder
128
131072 µs
tLED
Time from LED is turned on to signals are sampled
0
511
µs
6.12 RADIO — 2.4 GHz radio
The 2.4 GHz radio transceiver is compatible with multiple radio standards such as 1 Mbps and 2 Mbps
Bluetooth® Low Energy modes, Long Range (125 kbps and 500 kbps) Bluetooth® Low Energy modes, IEEE
802.15.4 250 kbps mode, as well as Nordic's proprietary 1 Mbps and 2 Mbps modes.
Listed here are main features for the RADIO:
• Multidomain 2.4 GHz radio transceiver
• 1 Mbps and 2 Mbps Bluetooth® Low Energy modes
• Long Range (125 kbps and 500 kbps) Bluetooth® Low Energy modes
• Angle-of-arrival (AoA) and angle-of-departure (AoD) direction finding using Bluetooth® Low Energy
• IEEE 802.15.4 250 kbps mode
• 1 Mbps and 2 Mbps Nordic proprietary modes
• Best in class link budget and low power operation
• Efficient data interface with EasyDMA support
• Automatic address filtering and pattern matching
EasyDMA, in combination with an automated packet assembler, packet disassembler, automated CRC
generator and CRC checker, makes it easy to configure and use the RADIO. See the following figure for
details.
4463_156 v1.0
162



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