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RFM95 Datasheet(PDF) 91 Page - HOPE Microelectronics CO., Ltd. |
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RFM95 Datasheet(HTML) 91 Page - HOPE Microelectronics CO., Ltd. |
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91 / 121 page  Page 91 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 7-5 reserved rw 0x00 reserved 4-3 RxBwMantAfc rw 0x01 RxBwMant parameter used during the AFC RegAfcBw (0x13) 2-0 RxBwExpAfc rw 0x03 RxBwExp parameter used during the AFC 7-6 reserved rw 0x00 reserved 5 BitSyncOn rw 0x01 Enables the Bit Synchronizer. 0 Bit Sync disabled (not possible in Packet mode) 1 Bit Sync enabled 4-3 OokThreshType rw 0x01 Selects the type of threshold in the OOK data slicer: 00 fixed threshold 10 average mode 01 peak mode (default) 11 reserved RegOokPeak (0x14) 2-0 OokPeakTheshStep rw 0x00 Size of each decrement of the RSSI threshold in the OOK demodulator: 000 0.5 dB 001 1.0 dB 010 1.5 dB 011 2.0 dB 100 3.0 dB 101 4.0 dB 110 5.0 dB 111 6.0 dB RegOokFix (0x15) 7-0 OokFixedThreshold rw 0x0C Fixed threshold for the Data Slicer in OOK mode Floor threshold for the Data Slicer in OOK when Peak mode is used 7-5 OokPeakThreshDec rw 0x00 Period of decrement of the RSSI threshold in the OOK demodulator: 000 once per chip 001 once every 2 chips 010 once every 4 chips 011 once every 8 chips 100 twice in each chip 101 4 times in each chip 110 8 times in each chip 111 16 times in each chip 4 reserved rw 0x01 reserved 3-2 OokAverageOffset rw 0x00 Static offset added to the threshold in average mode in order to reduce glitching activity (OOK only): 00 0.0 dB 10 4.0 dB 01 2.0 dB 11 6.0 dB RegOokAvg (0x16) 1-0 OokAverageThreshFilt rw 0x02 Filter coefficients in average mode of the OOK demodulator: 00 fC ≈ chip rate / 32.π 01 fC ≈ chip rate / 8.π 10 fC ≈ chip rate / 4.π 11 fC ≈ chip rate / 2.π RegRes17 to RegRes19 7-0 reserved rw 0x47 0x32 0x3E reserved. Keep the Reset values. |
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Similar Description - RFM95 |
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