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STRFNFCA 数据表(PDF) 60 Page - STMicroelectronics

部件名 STRFNFCA
功能描述  Near field communication transceiver
PDF  74 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STRFNFCA 数据表(HTML) 60 Page - STMicroelectronics

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Example of tag detection calibration process
STRFNFCA
60/74
Doc ID 023077 Rev 10
REM, Step 5: new DacDataH value = previous DacDataH +/- 0x10
REM, If previous Wake-up event was Timeout (0x01), we must decrease
DacdataH (-0x10); else, we increase DacDataH (+ 0x10)
>>> 070E03A100F8011800206060006C3F01
<<< 000102
REM, Read Wake-up event = Timeout (0x01) or Wake-up event = Tag
Detect (0x02)
REM, Step 6: new DacDataH value = previous DacDataH +/- 0x08
REM, If previous Wake-up event was Timeout (0x01), we must decrease
DacDataH (-0x08); else, we increase DacDataH (+ 0x08)
>>> 070E03A100F801180020606000743F01
<<< 000101
REM, Read Wake-up event = Timeout (0x01) or
Wake-up event = Tag
Detect (0x02)
REM, Step 7: new DacDataH value = previous DacDataH +/- 0x04
REM, If previous Wake-up event was Timeout (0x01), we must decrease
DacDataH (-0x04); else, we increase DacDataH (+ 0x04)
>>> 070E03A100F801180020606000703F01
<<< 000101
REM, Read Wake-up event = Timeout (0x01) or
Wake-up event = Tag
Detect (0x02)
REM, If
last Wake-up event = Tag Detect (0x02), search DacDataRef =
last DacDataH value
REM, If
last Wake-up event = Timeout (0x01), search DacDataRef =
last DacDataH value -4
REM, For tag detection usage, we recommend setting DacDataL =
DacDataRef -8 and DacDataH = DacDataRef +8
>>> 070E0B21007801180020606064743F01
<<< 000101



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