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RFM95 Datasheet(PDF) 99 Page - Shenzhen Hope Microelectronics Co., Ltd. |
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RFM95 Datasheet(HTML) 99 Page - Shenzhen Hope Microelectronics Co., Ltd. |
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99 / 121 page  Page 99 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 7-6 Dio0Mapping rw 0x00 5-4 Dio1Mapping rw 0x00 3-2 Dio2Mapping rw 0x00 RegDioMapping1 (0x40) 1-0 Dio3Mapping rw 0x00 7-6 Dio4Mapping rw 0x00 5-4 Dio5Mapping rw 0x00 Mapping of pins DIO0 to DIO5 See Table 23 for mapping in LoRa mode See Table 27 for mapping in Continuous mode See table 28 for mapping in Packet mode 3-1 reserved rw 0x00 reserved. Retain default value RegDioMapping2 (0x41) 0 MapPreambleDetect rw 0x00 Allows the mapping of either Rssi Or PreambleDetect to the DIO pins, as summarized on Table 27 and Table 28 0 Rssi interrupt 1 PreambleDetect interrupt Version register RegVersion (0x42) 7-0 Version r 0x11 Version code of the chip. Bits 7-4 give the full revision number; bits 3-0 give the metal mask revision number. Additional registers 7 FastHopOn rw 0x00 Bypasses the main state machine for a quick frequency hop. Writing RegFrfLsb will trigger the frequency change. 0 Frf is validated when FSTx or FSRx is requested 1 Frf is validated triggered when RegFrfLsb is written RegPllHop (0x44) 6-0 reserved rw 0x2d reserved 7-5 reserved rw 0x00 reserved. Retain default value 4 TcxoInputOn rw 0x00 Controls the crystal oscillator 0 Crystal Oscillator with external Crystal 1 External clipped sine TCXO AC-connected to XTA pin RegTcxo (0x4b) 3-0 reserved rw 0x09 Reserved. Retain default value. 7-3 reserved rw 0x10 reserved. Retain default value RegPaDac (0x4d) 2-0 PaDac rw 0x04 Enables the +20dBm option on PA_BOOST pin 0x04 Default value 0x07 +20dBm on PA_BOOST when OutputPower=1111 RegFormerTemp (0x5b) 7-0 FormerTemp rw - Temperature saved during the latest IQ (RSSI and Image) calibrated. Same format as TempValue in RegTemp. 7-4 unused r 0x00 unused RegBitrateFrac (0x5d) 3-0 BitRateFrac rw 0x00 Fractional part of the bit rate divider (Only valid for FSK) If BitRateFrac> 0 then: BitRate = --------------------------- F ----X ----O -----S---C ------------------------------ BitRate(15,0) + - B----i--t--r--a----t--e---F----r--a----c- 16 |
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