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| 型號(hào)： | MFRC53101T |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ISO-IEC 14443 reader IC |
| 封裝： | MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 51, 2004,;MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html< |
| 文件頁(yè)數(shù)： | 36/116頁(yè) |
| 文件大小： | 862K |
| 代理商： | MFRC53101T |
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MFRC531_34
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.4 — 26 January 2010
056634
36 of 116
NXP Semiconductors
MFRC531
ISO/IEC 14443 reader IC
Remark:
Pin MFIN can only be accessed at 106 kBd based on ISO/IEC 14443 A. The
Manchester signal and the Manchester signal with subcarrier can only be accessed on pin
MFOUT at 106 kBd based on ISO/IEC 14443 A.
9.11.1
Serial signal switch block diagram
Figure 13
shows the serial signal switches. Three different switches are implemented in
the serial signal switch enabling the MFRC531 to be used in different configurations.
The serial signal switch can also be used to check the transmitted and received data
during the design-in phase or for test purposes.
Section 15.2.1 on page 101
describes the
analog test signals and measurements at the serial signal switch.
Remark:
The SLR400 uses pin name SIGOUT for pin MFOUT. The MFRC531
functionality includes the test modes for the SLRC400 using pin MFOUT.
Section 9.11.2
,
Section 9.11.2.1
and
Section 9.11.2.2
describe the relevant registers and
settings used to configure and control the serial signal switch.
9.11.2
Serial signal switch registers
The RxControl2 register DecoderSource[1:0] bits define the input signal for the internal
Manchester decoder and are described in
Table 28
.
Fig 13. Serial signal switch block diagram
3
001aak617
MFIN
MFOUT
MODULATOR
DRIVER
(part of)
analog circuitry
SUBCARRIER
DEMODULATOR
TX1
TX2
RX
CARRIER
DEMODULATOR
2
MILLER CODER
1 OUT OF 256
NRZ OR
1 OUT OF 4
MANCHESTER
DECODER
SERIAL SIGNAL SWITCH
(part of)
serial data processing
Decoder
Source[1:0]
2
Modulator
Source[1:0]
SUBCARRIER
DEMODULATOR
serial data out
0
0
1
internal
2
Manchester with subcarrier
3
0
1
2
3
4
5
6
0
1
envelope
MFIN
0
1
2
3
Manchester
Manchester out
serial data in
7
0
0
1
1
e
t
M
M
r
r
MFOUTSelect[2:0]
digital test signal
signal to MFOUT
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