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ST25R3918 Datasheet(PDF) 84 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) 84 Page - STMicroelectronics

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Application information
ST25R3918
84/141
DS13490 Rev 2
4.5.24
Timer and EMV control register
Register space: A
Address: 12h
Type: RW
Table 47. Timer and EMV control register
Bit
Name
Default
Function
Comments
7
gptc2
0
General purpose timer trigger source.
Refer to Table 48
-
6
gptc1
0
5
gptc0
0
4RFU
0
-
-
3
mrt_step
0
0: 64 / fc
1: 512 / fc
Mask receive timer step size
2RFU
0
-
-
1
nrt_emv
0
1: No-response timer EMV mode
-
0nrt_step
0
0: 64 / fc
1: 4096 / fc
No-response timer step size.
Table 48. Trigger sources
gptc2 gptc1 gptc0
Trigger source
X
X
X
The timer starts always with direct command Start General purpose timer.
0
0
0
No additional trigger source.
0
0
1
Additionally starts at End of RX (after EOF).
0
1
0
Additionally starts at Start of RX.
0
1
1
Additionally starts at End of TX.
100
RFU
101
110
111



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