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ST25R3911B 数据表(PDF) 69 Page - STMicroelectronics

部件名 ST25R3911B
功能描述  High performance HF reader / NFC initiator with 1.4 W supporting VHBR and AAT
PDF  116 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST25R3911B 数据表(HTML) 69 Page - STMicroelectronics

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1.3.18
General purpose and no-response timer control register
Address: 11h
Type: RW
Table 43. General purpose and no-response timer control register
Bit
Name
Default
Function
Comments(1)
7
gptc2
0
Defines the timer trigger source.
Refer to Table 44.
-
6
gptc1
0
-
5
gptc0
0
-
4
-
0
-
-
3
-
0
-
-
2
-
0
-
-
1
nrt_emv
0
1: EMV mode of No-Response timer
-
0
nrt_step
0
0: 64/fc
1: 4096/fc
Selects the No-Response timer step.
1. Default setting takes place at power-up and after set default command.
Table 44. Timer trigger source
gptc2
gptc1
gptc0
Trigger source
0
0
0
No trigger source, start only with direct command Start General Purpose Timer.
0
0
1
End of Rx (after EOF)
0
1
0
Start of Rx
0
1
1
End of Tx in NFC mode, when General Purpose Timer expires the field is switched off
1
0
0
Not used
1
0
1
1
1
0
1
1
1
ST25R3911B
Registers
DS11793 - Rev 6
page 69/116



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