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MDEV-868-PRC Datasheet(PDF) 36 Page - Linx Technologies |
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MDEV-868-PRC Datasheet(HTML) 36 Page - Linx Technologies |
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36 / 55 page ![]() – – – – 66 67 PRSSI - Last Good Packet RSSI Volatile Address = 0x7B This register holds the received signal strength in dBm of the last successfully received packet. A successful packet reception is one that causes payload data to be output on the UART interface. The value in this register is overwritten each time a new packet is successfully processed. The register value is an 8-bit signed integer representing the RSSI in dBm. It is accurate to ±3dB. ARSSI - Ambient RSSI Volatile Address = 0x7C This register returns the ambient receive signal strength on the current channel in dBm. The signal strength is measured as soon as the command is received. The register value is an 8-bit signed integer representing the RSSI in dBm. It is accurate to ±3dB at the high RF data rate, and +3 to -20 dB at the low RF data rate. The channel being read may be any of the channels in the selected hopping sequence. Figure 63: HumPRCTM Series Transceiver Last Good Packet RSSI Command and Response Figure 64: HumPRCTM Series Transceiver Ambient RSSI Command and Response HumPRCTM Series Last Good Packet RSSI Read Command Read Response Header Size Escape Address ACK Address Value 0xFF 0x02 0xFE 0x7B 0x06 0x7B V HumPRCTM Series Ambient RSSI Read Command Read Response Header Size Escape Address ACK Address Value 0xFF 0x02 0xFE 0x7C 0x06 0x7C V FWVER - Firmware Version Non-Volatile Address = 0xC0 - 0xC3 These read-only registers contain the firmware version number currently on the module. Each byte is a hexadecimal value: 12 03 01 00 indicates version 18.3.1.0. Each register byte is read separately. Figure 65 shows the Firmware Version registers. HumPRCTM Series Firmware Version Registers Name Non-Volatile Address Description FWVER3 0xC0 Major version number FWVER2 0xC1 Minor version number FWVER1 0xC2 Incremental version number FWVER0 0xC3 Suffix Figure 65: HumPRCTM Series Firmware Version Registers |
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