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ST95HF データシート(PDF) 66 Page - STMicroelectronics |
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ST95HF データシート(HTML) 66 Page - STMicroelectronics |
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66 / 93 page ![]() Example of tag detection calibration process ST95HF 66/93 DocID025630 Rev 4 REM, Step 0: force wake-up event to Tag Detect (set DacDataH = 0x00) REM, With these conditions Wake-Up event must be Tag Detect >>> CR95HFDLL_STCMD, 01070E03A100F801180020606000003F01 <<< 000102 REM, Read Wake-up event = Tag Detect (0x02); if not, error . REM, Step 1: force Wake-up event to Timeout (set DacDataH = 0xFC REM, With these conditions, Wake-Up event must be Timeout >>> CR95HFDLL_STCMD, 01070E03A100F801180020606000FC3F01 <<< 000101 REM, Read Wake-up event = Timeout (0x01); if not, error . REM, Step 2: new DacDataH value = previous DacDataH +/- 0x80 REM, If previous Wake-up event was Timeout (0x01) we must decrease DacDataH (-0x80) >>> CR95HFDLL_STCMD, 01070E03A100F8011800206060007C3F01 <<< 000101 REM, Read Wake-up event = Timeout (0x01) or Wake-up event = Tag Detect (0x02) REM, Step 3: new DacDataH value = previous DacDataH +/- 0x40 REM, If previous Wake-up event was Timeout (0x01), we must decrease DacDataH (-0x40); else, we increase DacDataH (+ 0x40) >>> CR95HFDLL_STCMD, 01070E03A100F8011800206060003C3F01 <<< 000102 REM, Read Wake-up event = Timeout (0x01) or Wake-up event = Tag Detect (0x02) REM, Step 4: new DacDataH value = previous DacDataH +/- 0x20 REM, If previous Wake-up event was Timeout (0x01), we must decrease DacDataH (-0x20); else, we increase DacDataH (+ 0x20) >>> CR95HFDLL_STCMD, 01070E03A100F8011800206060005C3F01 <<< 000102 REM, Read Wake-up event = Timeout (0x01) or Wake-up event = Tag Detect (0x02) |
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