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MDEV-868-PRC Datasheet(PDF) 27 Page - Linx Technologies |
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MDEV-868-PRC Datasheet(HTML) 27 Page - Linx Technologies |
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27 / 55 page  – – – – 48 49 TXPWR - Transmitter Output Power Volatile Address = 0x4D; Non-Volatile Address = 0x02 The value in the TXPWR register sets the module’s output power. Figure 35 shows the command and response and Figure 36 available power settings and typical power outputs for the module. The default setting is 0x03. HumPRCTM Series Transmitter Output Power Mode Register Settings PWR Typical Output Power (dBm) 0x00 -5 0x01 0 0x02 +5 0x03 +9* * The maximum output power is limited on the upper channels to comply with ETSI regulations. Figure 35: HumPRCTM Series Transmitter Output Power Mode Command and Response Figure 36: HumPRCTM Series Transmitter Output Power Mode Settings HumPRCTM Series Transmitter Output Power Mode Read Command Read Response Header Size Escape Address ACK Address Value 0xFF 0x02 0xFE 0x4D 0x02 0x06 0x4D 0x02 PWR Write Command Header Size Address Value 0xFF 0x02 0x4D 0x02 PWR UARTBAUD - UART Baud Rate Volatile Address = 0x4E; Non-Volatile Address = 0x03 The value in UARTBAUD sets the data rate of the UART interface. Changing the non-volatile register changes the data rate on the following power-up or reset. Changing the volatile register changes the data rate immediately following the command acknowledgement. Figure 37 shows the command and response and Figure 38 shows the valid settings. If the module’s UART baud rate is different than the host processor UART baud rate then the module will not communicate correctly. If mismatched, every rate can be tested until the correct one is found or the module can be reset to factory defaults. The default baud rate is 9,600bps (0x01). Figure 37: HumPRCTM Series UART Baud Rate Command and Response Figure 38: HumPRCTM Series UART Baud Rate Settings HumPRCTM Series UART Baud Rate Register Settings V Baud Rate (bps) RF Data Rate (bps) 0x01 9,600 38,384 0x02 19,200 38,384 0x03 38,400 38,384 0x04 57,600 38,384 0x05 115,200 38,384 0x06 10,400* 38,384 0x07 31,250* 38,384 * These data rates are not supported by PC serial ports. Selection of these rates may cause the module to fail to respond to a PC, requiring a reset to factory defaults. HumPRCTM Series UART Baud Rate Read Command Read Response Header Size Escape Address ACK Address Value 0xFF 0x02 0xFE 0x4E 0x03 0x06 0x4E 0x03 V Write Command Header Size Address Value 0xFF 0x02 0x4E 0x03 V ADDMODE - Addressing Mode Volatile Address = 0x4F; Non-Volatile Address = 0x04 This register is controlled automatically by the HumPRCTM application and the Join Process, so should not be changed by external commands. DATATO - Transmit Wait Timeout Volatile Address = 0x50; Non-Volatile Address = 0x05 This register selects options for transferring packet data in the HumPROTM Series. These options are controlled automatically by the HumPRCTM application and do not have any effect on its operation. |
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