RFM75 Datasheet, PDF (6/27 Pages) List of Unclassifed Manufacturers – Low Power High Performance 2.4 GHz GFSK Transceiver

RFM75 V1.0
4 State Control
4.1 State Control Diagram
Pin signal: VDD, CE
SPI register: PWR_UP, PRIM_RX,
EN_AA, NO_ACK, ARC, ARD
System information: Time out, ACK
received, ARD elapsed, ARC_CNT, TX
FIFO empty, ACK packet transmitted,
Packet received
RFM75 has built-in state machines that
control the state transition between different
modes.
When auto acknowledge feature is disabled,
state transition will be fully controlled by
MCU.
Figure 3 PTX (PRIM_RX=0) state control diagram
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