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PDF NRF24L01 Data sheet ( Hoja de datos )
| Número de pieza | NRF24L01 | |
| Descripción | Single Chip 2.4GHz Transceiver | |
| Fabricantes | Nordic | |
| Logotipo |  |
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nRF24L01
Single Chip 2.4GHz Transceiver
Product Specification
Key Features
Applications
• Worldwide 2.4GHz ISM band operation
• Up to 2Mbps on air data rate
• Ultra low power operation
• 11.3mA TX at 0dBm output power
• 12.3mA RX at 2Mbps air data rate
• 900nA in power down
• 22µA in standby-I
• On chip voltage regulator
• 1.9 to 3.6V supply range
• Enhanced ShockBurst™
• Automatic packet handling
• Auto packet transaction handling
• 6 data pipe MultiCeiver™
• Air compatible with nRF2401A, 02, E1 and
E2
• Low cost BOM
• ±60ppm 16MHz crystal
• 5V tolerant inputs
• Compact 20-pin 4x4mm QFN package
• Wireless PC Peripherals
• Mouse, keyboards and remotes
• 3-in-one desktop bundles
• Advanced Media center remote controls
• VoIP headsets
• Game controllers
• Sports watches and sensors
• RF remote controls for consumer electronics
• Home and commercial automation
• Ultra low power sensor networks
• Active RFID
• Asset tracing systems
• Toys
All rights reserved.
Reproduction in whole or in part is prohibited without the prior written permission of the copyright holder.
July 2007
1 page  
nRF24L01 Product Specification
7.5.1
Auto Acknowledgement ................................................................... 29
7.5.2
Auto Retransmission (ART) ............................................................. 29
7.6 Enhanced ShockBurst flowcharts ........................................................ 31
7.6.1
PTX operation.................................................................................. 31
7.6.2
PRX operation ................................................................................. 33
7.7 Multiceiver ............................................................................................ 35
7.8 Enhanced ShockBurstTM timing .......................................................... 38
7.9 Enhanced ShockBurstTM transaction diagram .................................... 40
7.9.1
Single transaction with ACK packet and interrupts.......................... 40
7.9.2
Single transaction with a lost packet ............................................... 41
7.9.3
Single transaction with a lost ACK packet ....................................... 41
7.9.4
Single transaction with ACK payload packet ................................... 42
7.9.5
Single transaction with ACK payload packet and lost packet .......... 42
7.9.6
Two transactions with ACK payload packet and the first
ACK packet lost ............................................................................... 43
7.9.7
Two transactions where max retransmissions is reached ............... 43
7.10
Compatibility with ShockBurst™ .......................................................... 44
7.10.1
ShockBurst™ packet format ............................................................ 44
8 Data and Control Interface ....................................................................... 45
8.1 Features ............................................................................................... 45
8.2 Functional description .......................................................................... 45
8.3 SPI operation ....................................................................................... 45
8.3.1
SPI Commands ............................................................................... 45
8.3.2
SPI timing ........................................................................................ 47
8.4 Data FIFO ............................................................................................ 51
8.5 Interrupt ................................................................................................ 52
9 Register Map.............................................................................................. 53
9.1 Register map table ............................................................................... 53
10 Peripheral RF Information ........................................................................ 59
10.1
Antenna output ..................................................................................... 59
10.2
Crystal oscillator ................................................................................... 59
10.3
nRF24L01 sharing crystal with an MCU............................................... 59
10.3.1
Crystal parameters .......................................................................... 59
10.3.2
Input crystal amplitude and current consumption ............................ 59
10.4
PCB layout and decoupling guidelines................................................. 60
11 Mechanical specifications........................................................................ 61
12 Ordering information ................................................................................ 63
12.1
Package marking ................................................................................. 63
12.2
Abbreviations ....................................................................................... 63
13 Glossary of Terms..................................................................................... 64
Appendix A - Enhanced ShockBurst™ - Configuration
and Communication Example .................................................................. 65
Enhanced ShockBurst™ Transmitting Payload ................................... 65
Enhanced ShockBurst™ Receive Payload .......................................... 65
Appendix B - Configuration for compatibility with nRF24XX................ 67
Appendix C - Carrier wave output power................................................ 68
Revision 2.0
Page 5 of 74
5 Page 
nRF24L01 Product Specification
2.2 Pin functions
Pin
Name
Pin function
Description
1 CE
2 CSN
3 SCK
4 MOSI
5 MISO
6 IRQ
7 VDD
8 VSS
9 XC2
10 XC1
11 VDD_PA
Digital Input Chip Enable Activates RX or TX mode
Digital Input SPI Chip Select
Digital Input SPI Clock
Digital Input SPI Slave Data Input
Digital Output SPI Slave Data Output, with tri-state option
Digital Output Maskable interrupt pin. Active low
Power
Power Supply (+1.9V - +3.6V DC)
Power
Ground (0V)
Analog Output Crystal Pin 2
Analog Input Crystal Pin 1
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
13 ANT2
14 VSS
15 VDD
16 IREF
RF
RF
Power
Power
Analog Input
Antenna interface 1
Antenna interface 2
Ground (0V)
Power Supply (+1.9V - +3.6V DC)
Reference current. Connect a 22kΩ resistor
to ground. See: Figure 30.
17 VSS
18 VDD
19 DVDD
Power
Power
Power Output
Ground (0V)
Power Supply (+1.9V - +3.6V DC)
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
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet NRF24L01.PDF ] | |
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