User Manual

Revision 1.0 Page 4 of 78
nRF24L01+ Product Specification
Contents
1 Introduction ............................................................................................... 7
1.1 Features ............................................................................................... 8
1.2 Block diagram ...................................................................................... 9
2 Pin Information.......................................................................................... 10
2.1 Pin assignment..................................................................................... 10
2.2 Pin functions......................................................................................... 11
3 Absolute maximum ratings ...................................................................... 12
4 Operating conditions ................................................................................ 13
5 Electrical specifications ........................................................................... 14
5.1 Power consumption.............................................................................. 14
5.2 General RF conditions ......................................................................... 15
5.3 Transmitter operation ........................................................................... 15
5.4 Receiver operation ............................................................................... 16
5.5 Crystal specifications ........................................................................... 19
5.6 DC characteristics ................................................................................ 20
5.7 Power on reset ..................................................................................... 20
6 Radio Control ............................................................................................ 21
6.1 Operational Modes............................................................................... 21
6.1.1 State diagram .................................................................................. 21
6.1.2 Power Down Mode .......................................................................... 22
6.1.3 Standby Modes................................................................................ 22
6.1.4 RX mode.......................................................................................... 23
6.1.5 TX mode .......................................................................................... 23
6.1.6 Operational modes configuration..................................................... 24
6.1.7 Timing Information........................................................................... 24
6.2 Air data rate.......................................................................................... 25
6.3 RF channel frequency .......................................................................... 25
6.4 Received Power Detector measurements............................................ 25
6.5 PA control............................................................................................. 26
6.6 RX/TX control....................................................................................... 26
7 Enhanced ShockBurst™ .......................................................................... 27
7.1 Features ............................................................................................... 27
7.2 Enhanced ShockBurst™ overview....................................................... 27
7.3 Enhanced Shockburst™ packet format................................................ 28
7.3.1 Preamble ......................................................................................... 28
7.3.2 Address ........................................................................................... 28
7.3.3 Packet control field .......................................................................... 28
7.3.4 Payload............................................................................................ 29
7.3.5 CRC (Cyclic Redundancy Check) ................................................... 30
7.3.6 Automatic packet assembly............................................................. 31
7.3.7 Automatic packet disassembly ........................................................ 32
7.4 Automatic packet transaction handling ................................................ 33
7.4.1 Auto acknowledgement ................................................................... 33
7.4.2 Auto Retransmission (ART)............................................................. 33