1 Introduction
1.1 Features
1.2 Block diagram
2 Pin Information
2.1 Pin assignment
2.2 Pin functions
3 Absolute maximum ratings
4 Operating conditions
5 Electrical specifications
5.1 Power consumption
5.2 General RF conditions
5.3 Transmitter operation
5.4 Receiver operation
5.5 Crystal specifications
5.6 DC characteristics
5.7 Power on reset
6 Radio Control
6.1 Operational Modes
6.1.1 State diagram
6.1.2 Power Down Mode
6.1.3 Standby Modes
6.1.3.1 Standby-I mode
6.1.3.2 Standby-II mode
6.1.4 RX mode
6.1.5 TX mode
6.1.6 Operational modes configuration
6.1.7 Timing Information
6.2 Air data rate
6.3 RF channel frequency
6.4 Received Power Detector measurements
6.5 PA control
6.6 RX/TX control
7 Enhanced ShockBurst™
7.1 Features
7.2 Enhanced ShockBurst™ overview
7.3 Enhanced Shockburst™ packet format
7.3.1 Preamble
7.3.2 Address
7.3.3 Packet control field
7.3.3.1 Payload length
7.3.3.2 PID (Packet identification)
7.3.3.3 No Acknowledgment flag (NO_ACK)
7.3.4 Payload
7.3.5 CRC (Cyclic Redundancy Check)
7.3.6 Automatic packet assembly
7.3.7 Automatic packet disassembly
7.4 Automatic packet transaction handling
7.4.1 Auto acknowledgement
7.4.2 Auto Retransmission (ART)
7.5 Enhanced ShockBurst flowcharts
7.5.1 PTX operation
7.5.2 PRX operation
7.6 MultiCeiver™
7.7 Enhanced ShockBurst™ timing
7.8 Enhanced ShockBurst™ transaction diagram
7.8.1 Single transaction with ACK packet and interrupts
7.8.2 Single transaction with a lost packet
7.8.3 Single transaction with a lost ACK packet
7.8.4 Single transaction with ACK payload packet
7.8.5 Single transaction with ACK payload packet and lost packet
7.8.6 Two transactions with ACK payload packet and the first ACK packet lost
7.8.7 Two transactions where max retransmissions is reached
7.9 Compatibility with ShockBurst™
7.9.1 ShockBurst™ packet format
8 Data and Control Interface
8.1 Features
8.2 Functional description
8.3 SPI operation
8.3.1 SPI commands
8.3.2 SPI timing
8.4 Data FIFO
8.5 Interrupt
9 Register Map
9.1 Register map table
10 Peripheral RF Information
10.1 Antenna output
10.2 Crystal oscillator
10.3 nRF24L01+ crystal sharing with an MCU
10.3.1 Crystal parameters
10.3.2 Input crystal amplitude and current consumption
10.4 PCB layout and decoupling guidelines
11 Application example
11.1 PCB layout examples
12 Mechanical specifications
13 Ordering information
13.1 Package marking
13.2 Abbreviations
13.3 Product options
13.3.1 RF silicon
13.3.2 Development tools
14 Glossary of Terms
Appendix A - Enhanced ShockBurst™ - Configuration and communication example
Enhanced ShockBurst™ transmitting payload
Enhanced ShockBurst™ receive payload
Appendix B - Configuration for compatibility with nRF24XX
Appendix C - Constant carrier wave output for testing
Configuration