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AS3911 데이터시트(PDF) 48 Page - ams AG

부품명 AS3911
상세설명  NFC Initiator / HF Reader IC
PDF  149 Pages
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제조업체  AMSCO [ams AG]
홈페이지  http://www.ams.com
Logo AMSCO - ams AG

AS3911 데이터시트(HTML) 48 Page - ams AG

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AS3911 – 48
ams Datasheet, Confidential: 2013-Oct [2-03]
A p pl i c at io n I n f o r m at i o n
Direct Commands
Figure 34:
List of Direct Commands
Command
Code
(hex)
Command
Comments
Command
Chaining
Interrupt
after
Termination
Operation
Mode (1)
C1
Set Default
Puts the AS3911 in default
state
(same as after power-up)
No
No
all
C2, C3
Clear
Stops all activities and
clears FIFO
Yes
No
en
C4
Transmit With CRC
Starts a transmit sequence
using automatic CRC
generation
Yes
No
en, tx_en
C5
Transmit Without
CRC
Starts a transmit sequence
without automatic CRC
generation
Yes
No
en, tx_en
C6
Transmit REQA
Transmits REQA command
(ISO14443A mode only)
Yes
No
en, tx_en
C7
Transmit WUPA
Transmits WUPA command
(ISO14443A mode only)
Yes
No
en, tx_en
C8
NFC Initial Field
ON
Performs Initial RF Collision
avoidance and switch on
the field
Yes
Yes
en (9)
C9
NFC Response
Field ON
Performs Response RF
Collision avoidance and
switch on the field
Yes
Yes
en (9)
CA
NFC Response
Field ON with n=0
Performs Response RF
Collision avoidance with
n=0 and switch on the field
Yes
Yes
en (9)
CB
Go to Normal NFC
Mode
Accepted in NFCIP-1 active
communication bit rate
detection mode
Yes
No
CC
Analog Preset
Presets Rx and Tx
configuration based on
state of Mode Definition
Register and Bit Rate
Definition Register
Yes
No
all
D0
Mask Receive
Data
Receive after this
command is ignored
Yes
No
en, rx_en



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