NRF24L01-REEL 데이터 시트보기 (PDF) - Unspecified
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NRF24L01-REEL Datasheet PDF : 75 Pages
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nRF24L01 Product Specification
2.2 Pin functions
Pin
Name
Pin function
Description
1
CE
2
CSN
Digital Input Chip Enable Activates RX or TX mode
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 con-
nected to ANT1 and ANT2 as shown in Fig-
ure 30.
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 22kΩ resistor
to ground. See: Figure 30.
17
VSS
18
VDD
Power
Power
Ground (0V)
Power Supply (+1.9V - +3.6V DC)
19
DVDD
Power Output Internal digital supply output for de-coupling
purposes. See: Figure 30.
20
VSS
Power
Ground (0V)
Table 1. nRF24L01 pin function
Revision 2.0
Page 11 of 74
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