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ST25R3916 датащи(PDF) 131 Page - STMicroelectronics

номер детали ST25R3916
подробное описание детали  High performance NFC universal device and EMVCo™ reader
PDF  157 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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ST25R3916 датащи(HTML) 131 Page - STMicroelectronics

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DS12484 Rev 4
131/157
ST25R3916/7
Application information
156
4.5.72
Phase measurement configuration register
Register space: A
Address: 37h
Type: RW
4.5.73
Phase measurement reference register
Register space: A
Address: 38h
Type: RW
Table 109. Phase measurement configuration register
Bit
Name
Default
Function
Comments
7pm_d3
0
Definition of ∆pm (difference to
reference that triggers interrupt)
-
6pm_d2
0
5pm_d1
0
4pm_d0
0
3
pm_aam
0
0: Exclude the IRQ measurement
1: Include the IRQ measurement
Includes/excludes the measurement value that
triggered the I_wph interrupt in the
auto-averaging.
2
pm_aew1
0
00: 4
01: 8
10: 16
11: 32
Weight of last measurement result for
auto-averaging.
1
pm_aew0
0
0pm_ae
0
0: Use Phase measurement
reference register
1: Use phase measurement
auto-averaging as reference
Selects reference value for phase
measurement Wake-up mode.
Table 110. Phase measurement reference register
Bit
Name
Default
Function
Comments
7pm_ref7
0
-
-
6pm_ref6
0
-
-
5pm_ref5
0
-
-
4pm_ref4
0
-
-
3pm_ref3
0
-
-
2pm_ref2
0
-
-
1pm_ref1
0
-
-
0pm_ref0
0
-
-



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