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NRF24L01P-R 数据表(PDF) 11 Page - Nordic Semiconductor

部件名 NRF24L01P-R
功能描述  Single Chip 2.4GHz Transceiver
PDF  78 Pages
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制造商  NORDIC [Nordic Semiconductor]
网页  https://www.nordicsemi.com/
标志 NORDIC - Nordic Semiconductor

NRF24L01P-R 数据表(HTML) 11 Page - Nordic Semiconductor

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Revision 1.0
Page 11 of 78
nRF24L01+ Product Specification
2.2
Pin functions
Table 1. nRF24L01+ pin function
Pin
Name
Pin function
Description
1
CE
Digital Input
Chip Enable Activates RX or TX mode
2
CSN
Digital Input
SPI Chip Select
3
SCK
Digital Input
SPI Clock
4
MOSI
Digital Input
SPI Slave Data Input
5
MISO
Digital Output
SPI Slave Data Output, with tri-state option
6
IRQ
Digital Output
Maskable interrupt pin. Active low
7
VDD
Power
Power Supply (+1.9V - +3.6V DC)
8
VSS
Power
Ground (0V)
9
XC2
Analog Output Crystal Pin 2
10
XC1
Analog Input
Crystal Pin 1
11
VDD_PA
Power Output Power Supply Output (+1.8V) for the internal
nRF24L01+ Power Amplifier. Must be connected
to ANT1 and ANT2 as shown in Figure 32.
12
ANT1
RF
Antenna interface 1
13
ANT2
RF
Antenna interface 2
14
VSS
Power
Ground (0V)
15
VDD
Power
Power Supply (+1.9V - +3.6V DC)
16
IREF
Analog Input
Reference current. Connect a 22k
Ω resistor to
ground. See Figure 32.
17
VSS
Power
Ground (0V)
18
VDD
Power
Power Supply (+1.9V - +3.6V DC)
19
DVDD
Power Output Internal digital supply output for de-coupling pur-
poses. See Figure 32.
20
VSS
Power
Ground (0V)



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