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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TRM-915-R250 Fiches technique(PDF) 22 Page - Linx Technologies |
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TRM-915-R250 Fiches technique(HTML) 22 Page - Linx Technologies |
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22 / 39 page  – – – – 38 39 Network Mode - Address = 0x4F; NV Address = 0x04 The module supports three networking modes: GUID, User, and Extended User. For each of these modes, assured delivery (acknowledgement) and extended preamble can be either enabled or disabled. Figure 34 shows the command and response and Figure 35 shows the valid settings. Figure 35: 250 Series Network Mode Register Settings 250 Series Network Mode Register Settings Network Mode Meaning 0x04 GUID Networking Mode 0x06 User Networking Mode 0x07 Extended User Networking Mode 0x0C GUID Networking Mode with Extended Preamble 0x0E User Networking Mode with Extended Preamble 0x0F Extended User Network Mode with Extended Preamble 0x14 GUID Networking Mode with Acknowledgement 0x16 User Networking Mode with Acknowledgement 0x17 Extended User Networking Mode with Acknowledgement 0x1C GUID Networking Mode with Acknowledgement & Extended Preamble 0x1E User Networking Mode with Acknowledgement & Extended Preamble 0x1F Extended User Networking Mode with Acknowledgement & Extended Preamble Figure 34: 250 Series Network Mode Command and Response 250 Series Network Mode Read Command Read Response Header Size Escape Address ACK Address Value 0xFF 0x02 0xFE 0x4F 0x04 0x06 0x4F 0x04 V1 Write Command Header Size Address Value 0xFF 0x02 0x4F 0x04 V1 UART Data Rate - Address = 0x4E; NV Address = 0x03 The value in regUARTDATARATE 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 32 shows the command and response and Figure 33 shows the valid settings. If the UART rate is different than the host processor UART 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. Figure 32: 250 Series UART Data Rate Command and Response Figure 33: 250 Series UART Data Rate Settings 250 Series UART Data Rate Register Settings V1 Baud Rate 0x00 2,400 0x01 9,600 0x02 19,200 0x03 38,400 0x04 57,600 0x05 115,200 0x06 10,400* 0x07 31,250* * 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. 250 Series UART Data Rate Read Command Read Response Header Size Escape Address ACK Address Value 0xFF 0x02 0xFE 0x4E 0x03 0x06 0x4E 0x03 V1 Write Command Header Size Address Value 0xFF 0x02 0x4E 0x03 V1 |
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