Product Specs
Table Of Contents
- FEATURESAPPLICATIONS
- GENERAL DESCRIPTION
- QUICK REFERENCE DATA
- PIN FUNCTIONS
- ELECTRICAL SPECIFICATIONS
- Package marking:
- Absolute Maximum Ratings
- Temperatures
- ATTENTION!
- Glossary of Terms
- FUNCTIONAL DESCRIPTION
- Pin functions in the different modes of nRF24L01
- Standby Modes
- Power Down Mode
- Packet Handling Methods
- ShockBurst™
- Enhanced ShockBurst™
- Enhanced ShockBurst™ Transmitting Payload:
- Enhanced ShockBurstTM Receive Payload:
- DEVICE CONFIGURATION
- SPI Interface
- SPI Instruction Set
- Interrupt
- SPI Timing
- Memory Map
- Configuration for compatibility with nRF24XX
- PACKET DESCRIPTION
- IMPORTANT TIMING DATA
- nRF24L01 Timing Information
- Enhanced ShockBurst™ timing
- PERIPHERAL RF INFORMATION
- Output Power adjustment
- Crystal Specification
- nRF24L01 sharing crystal with a micro controller.
- Crystal parameters:
- Input crystal amplitude & Current consumption
- PCB layout and de-coupling guidelines
- APPLICATION EXAMPLE
- DEFINITIONS
- LIFE SUPPORT APPLICATIONS
- YOUR NOTES
- 空白页面
- 空白页面
- 空白页面
- 空白页面
PRELIMINARY PRODUCT SPECIFICATION
nRF24L01 Single Chip 2.4 GHz Radio Transceiver
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Page 17 of 38
Revision: 1.1
November 2005
(out of range), it may continue on the same frequency channel, but perform other
adjustments. (A dummy write to the RF_CH will clear the PLOS_CNT.)
Data Pipes
nRF24L01 configured as PRX can receive data addressed to 6 different data pipes in
one physical frequency channel. Each data pipe has its own unique address and can be
configured to have individual behavior.
The data pipes are enabled with the bits in the EN_RXADDR register. By default
only data pipe 0 and 1 are enabled.
The address for each data pipe is configured in the RX_ADDR_Px registers. Always
ensure that none of the data pipes have the exact same address.
Data pipe 0 has a unique 40 bit configurable address. Data pipes 1-5 share the 32 most
significant address bits and have only the LSByte unique for each data pipe. Figure 7
shows an example of how data pipes 0-5 are addressed. All pipes can have up to 40
bit address, but for pipe 1-5 only the LSByte is different.
Byte 4
Byte 3
Byte 2
Byte 1
Byte 0
Data pipe 0 (RX_ADDR_P0)
Data pipe 1 (RX_ADDR_P1)
Data pipe 2 (RX_ADDR_P2)
Data pipe 3 (RX_ADDR_P3)
Data pipe 4 (RX_ADDR_P4)
Data pipe 5 (RX_ADDR_P5)
Figure 7: Addressing data pipes 0-5
When a packet has been received at one of the data pipes and the data pipe is setup to
generate acknowledgement, nRF24L01 will generate an acknowledgement with an
address that equals the data pipe address where the packet was received.
Some configuration settings are common to all data pipes and some are individual.
The following settings are common to all data pipes:
CRC enabled/disabled (CRC always enabled when ESB is enabled)
CRC encoding scheme
RX address width
Frequency channel
RF data rate
LNA gain
RF output power
0xE7
0xD3
0xF0
0x35
0x77
0xC2
0xC2
0xC2
0xC2
0xC2
0xC2
0xC2
0xC2
0xC2
0xC3
0xC2
0xC2
0xC2
0xC2
0xC4
0xC2
0xC2
0xC2
0xC2
0xC5
0xC2
0xC2
0xC2
0xC2
0xC6