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RFM95 Datasheet(PDF) 93 Page - Shenzhen Hope Microelectronics Co., Ltd. |
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RFM95 Datasheet(HTML) 93 Page - Shenzhen Hope Microelectronics Co., Ltd. |
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93 / 121 page  Page 93 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 7-4 unused r - unused 3 RcCalStart wt 0x00 Triggers the calibration of the RC oscillator when set. Always reads 0. RC calibration must be triggered in Standby mode. RegOsc (0x24) 2-0 ClkOut rw 0x07 * Selects CLKOUT frequency: 000 FXOSC 001 FXOSC / 2 010 FXOSC / 4 011 FXOSC / 8 100 FXOSC / 16 101 FXOSC / 32 110 RC (automatically enabled) 111 OFF Packet Handling registers RegPreambleMsb (0x25) 7-0 PreambleSize(15:8) rw 0x00 Size of the preamble to be sent (from TxStartCondition fulfilled). (MSB byte) RegPreambleLsb (0x26) 7-0 PreambleSize(7:0) rw 0x03 Size of the preamble to be sent (from TxStartCondition fulfilled). (LSB byte) 7-6 AutoRestartRxMode rw 0x02 Controls the automatic restart of the receiver after the reception of a valid packet (PayloadReady or CrcOk): 00 Off 01 On, without waiting for the PLL to re-lock 10 On, wait for the PLL to lock (frequency changed) 11 reserved 5 PreamblePolarity rw 0x00 Sets the polarity of the Preamble 0 0xAA (default) 1 0x55 4 SyncOn rw 0x01 Enables the Sync word generation and detection: 0 Off 1 On 3 FifoFillCondition rw 0x00 FIFO filling condition: 0 if SyncAddress interrupt occurs 1 as long as FifoFillCondition is set RegSyncConfig (0x27) 2-0 SyncSize rw 0x03 Size of the Sync word: (SyncSize + 1) bytes, (SyncSize) bytes if ioHomeOn=1 RegSyncValue1 (0x28) 7-0 SyncValue(63:56) rw 0x01 * 1st byte of Sync word. (MSB byte) Used if SyncOn is set. RegSyncValue2 (0x29) 7-0 SyncValue(55:48) rw 0x01 * 2nd byte of Sync word Used if SyncOn is set and (SyncSize +1) >= 2. RegSyncValue3 (0x2a) 7-0 SyncValue(47:40) rw 0x01 * 3rd byte of Sync word. Used if SyncOn is set and (SyncSize +1) >= 3. RegSyncValue4 (0x2b) 7-0 SyncValue(39:32) rw 0x01 * 4th byte of Sync word. Used if SyncOn is set and (SyncSize +1) >= 4. |
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