NRF24L01G NORDIC SEMICONDUCTOR, NRF24L01G Datasheet - Page 31

• Manufacturer Part Number: NRF24L01G
• Description: IC, RF TRANSCEIVER, 2.4-2.4835GHZ QFN-20
• Manufacturer: NORDIC SEMICONDUCTOR

Specifications of NRF24L01G

• Transmitting Current: 11.3mA
• Data Rate: 2Mbps
• Frequency Range: 2.4GHz To 2.4835GHz
• Modulation Type: GFSK
• Sensitivity Dbm: -82dBm
• Rf Ic Case Style: QFN
• No. Of Pins: 20
• Sensitivity (dbm): -82dBm
• Supply Voltage Range: 1.9V To 3.6V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

nRF24L01 Product Specification
7.6
This section shows flowcharts for PTX and PRX operation in Enhanced ShockBurst™. ShockBurst™ oper-
ation is marked with a dashed square in the flow charts.
7.6.1
The flowchart in
mode.
You activate PTX mode by setting the CE pin high. If there is a packet present in the TX FIFO the
nRF24L01 enters TX mode and transmits the packet. If Auto Retransmit is enabled, the state machine
Revision 2.0
Enhanced ShockBurst flowcharts
PTX operation
Figure 8.
shows how a nRF24L01 configured as a PTX behaves after entering standby-I
Set MAX_RT IRQ
Figure 8. PTX operations in Enhanced ShockBurst™
ShockBurst operation
No
Retransmit last
TX Settling
TX mode
packet
Packet in TX
Is CE =1?
Is CE =1?
FIFO?
Yes
Yes
No
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No
No
No
No
Yes
Standby-I mode
Set TX_DS IRQ
retries = ARC?
Standby-II mode
Number of
Timeout?
elapsed?
Packet in TX
Has ARD
Yes
Yes
FIFO?
Yes
Put payload in RX
and RX_DR IRQ
Yes
Set TX_DS IRQ
No
No
Yes
FIFO.
No
Yes
Start Primary TX
Transmit Packet
Standby-I mode
Packet in TX
Has the ACK
TX Settling
Is Auto Re-
RX Settling
Is an ACK
received?
enabled?
No_ACK?
RX mode
Is CE=1?
TX mode
Transmit
payload?
FIFO?
Yes
Yes
Yes
Yes
No
Set TX_DS IRQ
No
No