LoRMur – User Manual LorMur – User Manual Document: LoRMur User Manual Date : February 19, 2020 Page 1/13
LoRMur – User Manual REVISION HISTORY: Revision Dates Description 1.0 1.
LoRMur – User Manual CONTENT 1 PREAMBLE ....................................................................................................................... 4 2 FEATURES ........................................................................................................................ 4 3 BLOCK DIAGRAM ............................................................................................................. 4 4 DIMENSIONS ....................................................................
LoRMur – User Manual 1 Preamble The device LoRMur is an electronic card based on Murata module CMWX1ZZABZ, it only integrates the module as specified by Murata application note. The main change resides in Antenna feed path. So features and electrical specifications are same as Module CMWX1ZZABZ. The LoRMur device is only intended to be used into Oceasoft products. Furthermore, it must be integrated by qualified Oceasoft engineers.
LoRMur – User Manual Murata Module Block diagram 4 Dimensions Document: LoRMur User Manual Date : February 19, 2020 Page 5/13
LoRMur – User Manual 5 Pinout Header J1 J2 1 Vdd TXD 2 Vdd RXD Vdd: Vdd_TCXO: GND: RST: TXD: RXD: 3 Vdd NC 4 NC Vdd_TCXO 5 NC RST 6 NC NC 7 GND GND 8 GND GND Power supply Power supply for the Module’s TCXO Ground Reset UART Tx UART Rx 6 Absolute maximum Ratings Parameters Storage Temperature Input RF Level Supply Voltage Min -40 Typ 25 Max +90 Unit °C -0.3 - 10 3.
LoRMur – User Manual 7 Operating conditions Parameters Operating Temperature Supply voltage Vdd Min -40 Typ 25 Max +70 Unit °C 2.2V* 3.0 3.6 V * For 20dBm operation (PA Power) Vdd min should be 2.4V 8 Electrical characteristics 8.1 FSK/OOK Transceiver Conditions : Vdd=3.3 V, Temp= 25 °C, FXOSC = 32 MHz, FRF =868/915 MHz Level FSK modulation without pre-filtering, FDA = 5 kHz, Bit Rate = 4.8 kb/s and terminated in a matched 50 impedance. 8.1.
LoRMur – User Manual 8.1.2 FSK/OOK Transmitter Specifications Symbol RF_OP RF_OP_HE RF_OP_vs_Vdd RF_OP_vs_T Description Conditions RF output power in 50 Programmable with ohms on RFO pin 1dB steps (High efficiency PA) Max Min RF output power in Programmable with 1dB steps 50 on PA_BOOST Max pin ( Regulated PA) Min RF output power stability on PA_BOOST pin vs 2.2V
LoRMur – User Manual 8.2 LoRa Transceiver Specification Conditions: Vdd = 3.3 V, Temperature = 25° C, FXOSC = 32 MHz, Error Correction Code (EC) = 4/5, Packet Error Rate (PER) = 1%, CRC on payload enabled, Payload length = 10bytes. With 50 matched impedances 8.2.
LoRMur – User Manual 9 Schematics 9.
LoRMur – User Manual 9.2 Reference Diagram 10 Notice 10.1 Storage Conditions The product shall be stored under the ambient temperature from 5 to 35°C and 20~70%RH. The product shall be stored in non corrosive gas (Cl2, NH3, SO2, Nox, etc.). Any excess mechanical shock including, but not limited to, sticking the packing materials by sharp object and dropping the product, shall not be applied in order not to damage the packing materials. 10.
LoRMur – User Manual 11 Regulatory Statements 11.1 FCC Statements This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operations. Note: This product has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
LoRMur – User Manual When the ISED certification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed will also display a label referring to the enclosed module. 11.