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ST25R3911B bảng dữ liệu(PDF) 65 Page - STMicroelectronics

tên linh kiện ST25R3911B
Giải thích chi tiết về linh kiện  High performance HF reader / NFC initiator with 1.4 W supporting VHBR and AAT
PDF  116 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST25R3911B bảng dữ liệu(HTML) 65 Page - STMicroelectronics

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1.3.12
Receiver configuration register 2
Address: 0Bh
Type: RW
Table 37. Receiver configuration register 2
Bit
Name
Default
Function
Comments(1)
7
rx_lp
0
1: Low power receiver operation
-
6
lf_op
0
0: Differential LF operation
1: LF input split (RFI1 to AM channel, RFI2 to PM channel)
-
5
lf_en
0
1: LF signal on receiver input
-
4
agc_en
1
1: AGC is enabled
-
3
agc_m
1
0: AGC operates on first eight sub-carrier pulses
1: AGC operates during complete receive period
-
2
agc_alg
0
0: Algorithm with preset is used
1: Algorithm with reset is used
Algorithm with preset is recommended for protocols with
short SOF (like ISO14443A fc/128)
1
sqm_dyn 1
1: Automatic squelch activation after end of Tx
Squelch is started 18.88 s after end of Tx, and stopped
when Mask Receive Timer expires
0
pmix_cl
0
0: RFO
1: Internal signal
PM demodulator mixer clock source, in single mode
internal signal is always used
1. Default setting takes place at power-up and after set default command.
ST25R3911B
Registers
DS11793 - Rev 6
page 65/116



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