поискавой системы для электроныых деталей |
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RFM95 датащи(PDF) 74 Page - HOPE Microelectronics CO., Ltd. |
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RFM95 датащи(HTML) 74 Page - HOPE Microelectronics CO., Ltd. |
74 / 121 page Page 74 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 LFS R P o ly nom ia l =X 9 + X 5 + 1 X 8 X 7 X 6 X 5 X 4 X 3 X 2 X 1 X 0 Tra n s m it d a ta W h ite n ed da ta Figure 37. Data Whitening Polynomial 4.2.13.8. Beacon Tx Mode In some short range wireless network topologies a repetitive message, also known as beacon, is transmitted periodically by a transmitter. The Beacon Tx mode allows for the re-transmission of the same packet without having to fill the FIFO multiple times with the same data. When BeaconOn in RegPacketConfig2 is set to 1, the FIFO can be filled only once in Sleep or Stdby mode with the required payload. After a first transmission, FifoEmpty will go high as usual, but the FIFO content will be restored when the chip exits Transmit mode. FifoEmpty, FifoFull and FifoLevel flags are also restored. This feature is only available in Fixed packet format, with the Payload Length smaller than the FIFO size. The control of the chip modes (Tx-Sleep-Tx....) can either be undertaken by the microcontroller, or be automated in the Top Sequencer. See example in section 4.2.13.8. The Beacon Tx mode is exited by setting BeaconOn to 0, and clearing the FIFO by setting FifoOverrun to 1. 4.2.14. io-homecontrol® Compatibility Mode The RFM95/96/97/98(W) features a io-homecontrol ® compatibility mode. Please contact your local Hope RF representative for details on its implementation. |
Аналогичный номер детали - RFM95 |
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Аналогичное описание - RFM95 |
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