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M-BUS-EK データシート(PDF) 11 Page - Silicon Laboratories |
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M-BUS-EK データシート(HTML) 11 Page - Silicon Laboratories |
11 / 20 page Wi reless M-Bus-EK Rev. 0.1 11 10. Si4431 Wireless M-Bus Development Platform The Si4431 Wireless M-Bus Development Platform requires the purchase of the following items: Three SDBC-DK3 EZRadioPRO Wireless Development Kits Three 4431-DKDB3 - Si4431 +13 dB High-Band Test Cards Two EC3 -USB Debug Adapters One Supported Unlimited Compiler (Keil, Raisonance, or SDCC) The Basic setup is shown in Figure 7. Figure 7. Si4431 Wireless M-Bus Development Platform The SDBC-DK3 EZRadioPRO Wireless Development Kit includes test cards for the +20 dB Si4432. These can be used for M-Bus development, but the power will be too high. Note that the M-Bus stack requires the B1 revision of the Si4431/2; so, an older version of the Si4432 cannot be used. The first Software Development Board (SDB) functions as the transmitter or “Meter” device. The second SDB functions as a receiver or “Other” device. The third SDB is used for an optional sniffer. The sniffer board is not absolutely necessary but is very useful for debugging. The Wireless M-Bus stack requires that the shut-down (SDN) pin of the radio must be connected to P0.7 on the MCU; so, some small modification of the SDB is required. Cut the trace on Shorting Jumper SJ11 between Pins 2 and 3. Short Pins 1 and 2 using a 0 805 resistor, wire, or solder bridge. The hardware_defs.h file (included in the Wireless M-Bus stack source code) provides a hardware abstraction layer for the M-Bus stack. The hardware_defs.h file should be edited to select the desired hardware platform before using. Define the Si4431 software development board and comment out the other hardware options. MBusPhyRx Firmware USB Debug Adapter Hyper- Terminal MBusPhyRx Workspace MBbusPhyTx Workspace Si4431-B1 Test Card MBusPhyTx Firmware USB Debug Adapter EZRadioPRO SDB IDE IDE PC MBusSniffer Firmware EZRadioPRO SDB EZRadioPRO SDB Si4431-B1 Test Card Si4431-B1 Test Card |
同様の部品番号 - M-BUS-EK |
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同様の説明 - M-BUS-EK |
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