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RFM96 Datasheet(PDF) 31 Page - HOPE Microelectronics CO., Ltd. |
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RFM96 Datasheet(HTML) 31 Page - HOPE Microelectronics CO., Ltd. |
31 / 121 page Page 31 RFM95/96/97/98(W) Tel: + 86-755-82973805 Fax: + 86-755-82973550 E-mail: sales@hoperf.com http:/ / www.hoperf.com 4.1.3. Operation of the LoRa TM Modem 4.1.3.1. Operating Mode Control The operating modes of the LoRaTM modem are accessed by enabling LoRaTM mode (setting the LongRangeMode bit of RegOpMode ). Depending upon the operating mode selected the range of functionality and register access is given by the following table: Table 61 LoRa TM Operating Mode Functionality Operating Mode Description SLEEP Low-power mode. In this mode only SPI and configuration registers are accessible. Lora FIFO is not accessible. Note that this is the only mode permissible to switch between FSK/OOK mode and LoRa mode. STAND-BY both Crystal oscillator and Lora baseband blocks are turned on.RF part and PLLs are disabled FSTX This is a frequency synthesis mode for transmission. The PLL selected for transmission is locked and active at the transmit frequency. The RF part is off. FSRX This is a frequency synthesis mode for reception. The PLL selected for reception is locked and active at the receive frequency. The RF part is off. TX When activated the RFM95/96/97/98(W) powers all remaining blocks required for transmit, ramps the PA, transmits the packet and returns to Stand-by mode. RXCONTINUOUS When activated the RFM95/96/97/98(W) powers all remaining blocks required for reception, processing all received data until a new user request is made to change operating mode. RXSINGLE When activated the RFM95/96/97/98(W) powers all remaining blocks required for reception, remains in this state until a valid packet has been received and then returns to Stand-by mode. CAD When in CAD mode, the device will check a given channel to detect LoRa preamble signal It is possible to access any mode from any other mode by changing the value in the RegOpMode register. |
Similar Part No. - RFM96 |
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Similar Description - RFM96 |
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