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STRFNFCA 数据表(PDF) 59 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) 59 Page - STMicroelectronics

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STRFNFCA
Example of tag detection calibration process
Doc ID 023077 Rev 10
59/74
REM, Step 0: force wake-up event to Tag Detect (set DacDataH = 0x00)
REM, With these conditions Wake-Up event must be Tag Detect
>>> 070E03A100F801180020606000003F01
<<< 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
>>> 070E03A100F801180020606000FC3F01
<<< 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)
>>> 070E03A100F8011800206060007C3F01
<<< 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)
>>> 070E03A100F8011800206060003C3F01
<<< 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)
>>> 070E03A100F8011800206060005C3F01
<<< 000102
REM, Read Wake-up event = Timeout (0x01)
or
Wake-up event = Tag
Detect (0x02)



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