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NRF51802-QFAA-R Datasheet(PDF) 13 Page - Nordic Semiconductor

Part # NRF51802-QFAA-R
Description  Multiprotocol Bluetooth® low energy/2.4 GHz RF System on Chip
PDF  85 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF51802-QFAA-R Datasheet(HTML) 13 Page - Nordic Semiconductor

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Page 13
nRF51802 Product Specification v1.2
2.2.2.1
Pin functions QFN32
Pin
Pin name
Pin function
Description
1
VDD
Power
Power supply.
2
DCC
Power
DC/DC output voltage to external LC filter.
3
P0.00
AREF0
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP reference input 0.
4
P0.02
AIN3
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 3.
5
P0.03
AIN4
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 4.
6
P0.04
AIN5
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 5.
7
P0.06
AIN7
AREF1
Digital I/O
Analog input
Analog input
General purpose I/O pin.
ADC/LPCOMP input 7.
ADC/LPCOMP reference input 1.
8
VDD
Power
Power supply.
9
VSS
Power
Ground (0 V)1.
10
P0.08
Digital I/O
General purpose I/O pin.
11
P0.09
Digital I/O
General purpose I/O pin.
12
P0.12
Digital I/O
General purpose I/O pin.
13
P0.14
Digital I/O
General purpose I/O pin.
14
P0.16
Digital I/O
General purpose I/O pin.
15
SWDIO/nRESET
Digital I/O
System reset (active low). Also hardware debug and flash
programming I/O.
16
SWDCLK
Digital input
Hardware debug and flash programming I/O.
17
P0.17
Digital I/O
General purpose I/O pin.
18
DEC2
Power
Power supply decoupling.
19
VDD_PA
Power output
Power supply output (+1.6 V) for on-chip RF power amp.
20
ANT1
RF
Differential antenna connection (TX and RX).
21
ANT2
RF
Differential antenna connection (TX and RX).
22
VSS
Power
Ground (0 V).
23
VSS
Power
Ground (0 V).
24
AVDD
Power
Analog power supply (Radio).
25
XC1
Analog input
Connection for 16/32 MHz crystal or external 16 MHz clock
reference.
26
XC2
Analog output
Connection for 16/32 MHz crystal.
27
DEC1
Power
Power supply decoupling.



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