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ST25R3918 Datasheet(PDF) 67 Page - STMicroelectronics

Part # ST25R3918
Description  Multi-purpose NFC transceiver
PDF  141 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25R3918 Datasheet(HTML) 67 Page - STMicroelectronics

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DS13490 Rev 2
67/141
ST25R3918
Application information
140
4.5.5
Bit rate definition register
Register space: A
Address: 04h
Type: RW
1. The nfc_f0 = 1 must not be set in Bit rate detection mode (see Table 22).
Table 21. Bit rate definition register
Bit
Name
Default
Function
Comments
7RFU
0
Refer to Table 22
-
6RFU
0
-
5tx_rate1
0
Selects bit rate for Tx.
4tx_rate0
0
3RFU
0
-
2RFU
0
-
1rx_rate1
0
Selects bit rate for Rx.
0rx_rate0
0
Table 22. Bit rate coding(1)
rate3
rate2
rate1
rate0
Bit rate (kbit/s)
Comments
0000
fc / 128 (~106)
-
0001
fc / 64 (~212)
-
0010
fc / 32 (~424)
-
0011
fc / 16 (~848)
-
Other combinations
-
Not used
1. If a non supported bit rate is selected the Tx/Rx operation is disabled.



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