參數(shù)資料
型號: MFRC50001T
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Highly integrated ISO-IEC 14443 A reader IC
封裝: MFRC50001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 15, 2005,;
文件頁數(shù): 94/110頁
文件大小: 841K
代理商: MFRC50001T
MFRC500_33
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 15 March 2010
048033
94 of 110
NXP Semiconductors
MFRC500
Highly Integrated ISO/IEC 14443 A Reader IC
15.2.1
Measurements using the serial signal switch
Using the serial signal switch on pin MFOUT, data is observed that is sent to the card or
received from the card.
Table 160
gives an overview of the different signals available.
Table 160. Signal routed to pin MFOUT
SignalToMFOUT
0
0
0
0
0
0
0
0
1
15.2.1.1
TX control
Figure 23
shows as an example of an ISO/IEC 14443 A communication.
The signal is measured on pin MFOUT using the serial signal switch to control the data
sent to the card. Setting the flag MFOUTSelect[2:0] = 3 sends the data to the card coded
as NRZ. Setting MFOUTSelect[2:0] = 2 shows the data as a Miller coded signal.
The RFOut signal is measured directly on the antenna and gives the RF signal pulse
shape. Refer to Application note
Directly matched Antenna - Excel calculation
(
Ref. 3
) for
detail information on the RF signal pulse.
MFOUTSelect
0
1
2
3
4
5
6
7
X
Signal routed to pin MFOUT
LOW
HIGH
envelope
transmit NRZ
Manchester with subcarrier
Manchester
reserved
reserved
digital test signal
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