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UM0853 数据表(PDF) 23 Page - STMicroelectronics |
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UM0853 数据表(HTML) 23 Page - STMicroelectronics |
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23 / 56 page ![]() UM0853 How to control the RF and I²C channels from your screen Doc ID 16609 Rev 3 23/56 If no tag was selected after the Inventory request, the device sends “00 00 00 00 00 00 00 00” instead of the UID value. STAY QUIET The STAY QUIET button is used to send a Stay Quiet RF request (refer to the M24LRxx datasheet for details). RESET TO READY The RESET TO READY button is used to send a Reset to Ready RF request (refer to the M24LRxx datasheet for details). 3.2.7 Read command Figure 37. Initiating a read operation By pressing the Read button, you launch RF requests to read the contents of the M24LRxx EEPROM from the block address specified in the from field to the block address specified in the to field. The result of the read operation is displayed in the MEMORY seen by RF area (see Figure 38 to Figure 41). From 0000 to 07FF reads all M24LRxx EEPROM contents. Figure 38 and Figure 39 only show the results for sector 0 and sector 3F, respectively. |
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