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NRF51822-CFAB-R7 数据表(PDF) 13 Page - Nordic Semiconductor

部件名 NRF51822-CFAB-R7
功能描述  Multiprotocol Bluetooth® low energy/2.4 GHz RF System on Chip
PDF  130 Pages
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制造商  NORDIC [Nordic Semiconductor]
网页  https://www.nordicsemi.com/
标志 NORDIC - Nordic Semiconductor

NRF51822-CFAB-R7 数据表(HTML) 13 Page - Nordic Semiconductor

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Page 13
nRF51822 Product Specification v3.3
2.2.1.1
Pin functions QFN48
Pin
Pin name
Pin function
Description
1
VDD
Power
Power supply.
2
DCC
Power
DC/DC output voltage to external LC filter.
3
P0.30
Digital I/O
General purpose I/O pin.
4
P0.00
AREF0
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP reference input 0.
5
P0.01
AIN2
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 2.
6
P0.02
AIN3
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 3.
7
P0.03
AIN4
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 4.
8
P0.04
AIN5
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 5.
9
P0.05
AIN6
Digital I/O
Analog input
General purpose I/O pin.
ADC/LPCOMP input 6.
10
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.
11
P0.07
Digital I/O
General purpose I/O pin.
12
VDD
Power
Power supply.
13
VSS
Power
Ground (0 V)1.
14 to 22
P0.08 to P0.16
Digital I/O
General purpose I/O pin.
23
SWDIO/nRESET
Digital I/O
System reset (active low). Hardware debug and flash
programming I/O.
24
SWDCLK
Digital input
Hardware debug and flash programming I/O.
25 to 28
P0.17 to P0.20
Digital I/O
General purpose I/O pin.
29
DEC2
Power
Power supply decoupling.
30
VDD_PA
Power output
Power supply output (+1.6 V) for on-chip RF power amp.
31
ANT1
RF
Differential antenna connection (TX and RX).
32
ANT2
RF
Differential antenna connection (TX and RX).
33, 34
VSS
Power
Ground (0 V).
35, 36
AVDD
Power
Analog power supply (Radio).
37
XC1
Analog input
Connection for 16/32 MHz crystal or external 16 MHz clock
reference.
38
XC2
Analog output
Connection for 16/32 MHz crystal.
39
DEC1
Power
Power supply decoupling.



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