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ST25R3916 Datasheet(PDF) 108 Page - STMicroelectronics

Part # ST25R3916
Description  High performance NFC universal device and EMVCo™ reader
PDF  157 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25R3916 Datasheet(HTML) 108 Page - STMicroelectronics

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Application information
ST25R3916/7
108/157
DS12484 Rev 4
4.5.46
Antenna tuning control register 1
Register space: A
Address: 26h
Type: RW
4.5.47
Antenna tuning control register 2
Register space: A
Address: 27h
Type: RW
Table 74. Antenna tuning control register 1
Bit
Name
Default
Function
Comments
7
aat_A_7
1
AAT-A D/A converter input.
AAT-A voltage (in V) =
(0.044 + 0.868 * aat_A<7:0> / 255) * VDD_A
6
aat_A_6
0
5
aat_A_5
0
4
aat_A_4
0
3
aat_A_3
0
2
aat_A_2
0
1
aat_A_1
0
0
aat_A_0
0
Table 75. Antenna tuning control register 2
Bit
Name
Default
Function
Comments
7
aat_B_7
1
AAT-B D/A converter input.
AAT-B voltage (in V) =
(0.044 + 0.868 * aat_B<7:0> / 255) * VDD_A
6
aat_B_6
0
5
aat_B_5
0
4
aat_B_4
0
3
aat_B_3
0
2
aat_B_2
0
1
aat_B_1
0
0
aat_B_0
0



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