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AS3953A-BDFM датащи(PDF) 52 Page - ams-OSRAM AG

номер детали AS3953A-BDFM
подробное описание детали  14443 High Speed Passive Tag Interface
PDF  71 Pages
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производитель  AMSOSRAM [ams-OSRAM AG]
домашняя страница  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3953A-BDFM датащи(HTML) 52 Page - ams-OSRAM AG

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ams Datasheet
Page 51
[v1-05] 2019-Feb-15
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AS3953A − Detailed Description
Figure below defines the coding of the Bit Rate.
Figure 57:
Bit Rate Coding
Note(s):
1. In case a bit rate which is not supported is selected, the Tx / Rx operation is disabled.
Display Registers
Figure 58:
RFID Status Display Register
Note(s):
1. The information read from this register can be false during reception (the logic state change during reception and the readout of
status can be done just at the moment when the status is changing).
2. The RFID Status Display Register is not a real register. By reading this register, controller has access to specific RFID logic internal
signals in order to observe its internal state.
Rate3
Rate2
Rate1
Rate0
Bit Rate [kbit/s]
Comments
0
0
0
0
fc/128 (~106)
0
0
0
1
fc/64 (~212)
0
0
1
0
fc/32 (~424)
0
0
1
1
fc/16 (~848)
Other combinations RFU
Address# 04h: RFID Status Display
Type: R
Bit
Name
Function
Comments
7hf_pon
1: PICC AFE is active
AFE Power-on signal
6state<2>
000: POWER OFF
001: IDLE
010: READY 011 – ACTIVE
101: HALT
110: READYX
111: ACTIVEX
100: L4
PICC Logic state
5state<1>
4state<0>
3RFU
2RFU
1RFU
0RFU



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