nRF24LE1 Nordic VLSI, nRF24LE1 Datasheet - Page 37

• Manufacturer Part Number: nRF24LE1
• Manufacturer: Nordic VLSI

nRF24LE1 Preliminary Product Specification
In
RX mode (rfce=1), and the PTX operation is activated in TX mode (rfce=1 for minimum 10µs). After
130µs the transmission starts and finishes after the elapse of T
When the transmission ends the PTX operation automatically switches to RX mode to wait for the ACK
packet from the PRX operation. When the PRX operation receives the packet it sets the interrupt for the
host MCU and switches to TX mode to send an ACK. After the PTX operation receives the ACK packet it
sets the interrupt to the MCU and clears the packet from the TX FIFO.
Revision 1.1
Figure 18.
PRX MODE
PTX MODE
PTX IRQ
PRX IRQ
PRX rfce
PTX rfce
PRX SPI
PTX SPI
the transmission and acknowledgement of a packet is shown. The PRX operation activates
Figure 18. Timing of Enhanced ShockBurst™ for one packet upload (2Mbps)
Standby 1
Standby 1
T
UL
UL
PLL Lock
130us
PLL Lock
130us
>10us
RX
T
37 of 191
TX
OA
T
T
IRQ
ESB Cycle
IRQ:RX DR/DL
PLL Lock
PLL Lock
130us
OA
.
T
IRQ
T
RX
TX
ACK
TX DS
IRQ:
PLL Lock
130us
Standby 1
RX