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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STRFNFCA датащи(PDF) 42 Page - STMicroelectronics |
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STRFNFCA датащи(HTML) 42 Page - STMicroelectronics |
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42 / 74 page  Commands STRFNFCA 42/74 Doc ID 023077 Rev 10 5.11.4 Managing VPS_TX consumption in Ready state In Ready state, ICC RF (VPS_TX) consumption is generally in the range of 200 µA (maximum). This consumption can be reduced to approximately 2 µA (typical) by setting a control bit (bit HF2RF) to ‘1’ using the Write Register (WRREG) command. In this case, Reader mode is no longer available. To re-enable Reader mode, set the HF2RF bit to ‘0’ using the WRREG command or execute a new PROTOCOLSELECT command. Table 31. WRREG command description (HF2RF bit) Direction Data Comments Example Host to STRFNFCA 0x09 Command code >>>0x090468010710 ICC RF (VPS_TX) consumption is reduced to approx. 2 µA (typ.) In this case, Reader mode is not available. >>>0x090468010700 Reset the HF2RF bit to ‘0’ to re-enable Reader mode. 0x03 or 0x04 Length of data 0x68 Analog Register Configuration address index 0x00 or 0x01 Flag Increment address or not after Write command 0x07 Index pointing to the HF2RF register 0x00 or 0x10 Set the HF2RF bit to ‘1’ (Reader mode is not enabled) or Reset the HF2RF bit to ‘0’ (Reader mode is enabled) (default value) STRFNFCA to Host 0x00 Result code <<<0x0000 Register written 0x00 Length of data (= RegCount) |
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