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RFM95 Datasheet(PDF) 95 Page - HOPE Microelectronics CO., Ltd. |
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RFM95 Datasheet(HTML) 95 Page - HOPE Microelectronics CO., Ltd. |
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95 / 121 page  Page 95 RFM95/96/97/98(W) Tel: + 86-755-82973805 Fax: + 86-755-82973550 E-mail: sales@hoperf.com http:/ / www.hoperf.com WIRELESS & SENSING PRELIMINARY DATASHEET Name (Address) Bits Variable Name Mode Default value FSK/OOK Description RegPayloadLength (0x32) 7-0 PayloadLength(7:0) rw 0x40 If PacketFormat = 0 (fixed), payload length. If PacketFormat = 1 (variable), max length in Rx, not used in Tx. RegNodeAdrs (0x33) 7-0 NodeAddress rw 0x00 Node address used in address filtering. RegBroadcastAdrs (0x34) 7-0 BroadcastAddress rw 0x00 Broadcast address used in address filtering. 7 TxStartCondition rw 0x01 * Defines the condition to start packet transmission: 0 FifoLevel (i.e. the number of bytes in the FIFO exceeds FifoThreshold) 1 FifoEmpty goes low (i.e. at least one byte in the FIFO) 6 unused r - unused RegFifoThresh (0x35) 5-0 FifoThreshold rw 0x0f Used to trigger FifoLevel interrupt, when: number of bytes in FIFO >= FifoThreshold + 1 Sequencer registers 7 SequencerStart wt 0x00 Controls the top level Sequencer When set to ‘1’, executes the “Start” transition. The sequencer can only be enabled when the chip is in Sleep or Standby mode. 6 SequencerStop wt 0x00 Forces the Sequencer Off. Always reads ‘0’ 5 IdleMode rw 0x00 Selects chip mode during the state: 0: Standby mode 1: Sleep mode 4-3 FromStart rw 0x00 Controls the Sequencer transition when SequencerStart is set to 1 in Sleep or Standby mode: 00: to LowPowerSelection 01: to Receive state 10: to Transmit state 11: to Transmit state on a FifoLevel interrupt 2 LowPowerSelection rw 0x00 Selects the Sequencer LowPower state after a to LowPowerSelection transition: 0: SequencerOff state with chip on Initial mode 1: Idle state with chip on Standby or Sleep mode depending on IdleMode Note: Initial mode is the chip LowPower mode at Sequencer Start. 1 FromIdle rw 0x00 Controls the Sequencer transition from the Idle state on a T1 interrupt: 0: to Transmit state 1: to Receive state RegSeqConfig1 (0x36) 0 FromTransmit rw 0x00 Controls the Sequencer transition from the Transmit state: 0: to LowPowerSelection on a PacketSent interrupt 1: to Receive state on a PacketSent interrupt |
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