參數(shù)資料
型號(hào)： MFRC52301HN1
廠商： NXP Semiconductors N.V.
元件分類(lèi)： 通信及網(wǎng)絡(luò)
英文描述： Contactless reader IC
封裝： MFRC52301HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;MFRC52301HN1<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html&
文件頁(yè)數(shù)： 69/98頁(yè)
文件大?。?/td> 1666K
代理商： MFRC52301HN1
MFRC523
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.7 — 8 November 2011
115237
69 of 98
NXP Semiconductors
MFRC523
Contactless reader IC
10.3.1
MFRC523 command descriptions
10.3.1.1
Idle mode
Places the MFRC523 in Idle mode. The Idle command also terminates itself.
10.3.1.2
Mem command
Transfers 25 bytes from the FIFO buffer to the internal buffer. To read out the 25 bytes
from the internal buffer the Mem command must be started with an empty FIFO buffer. In
this case, the 25 bytes are transferred from the internal buffer to the FIFO.
During a hard power-down (using pin NRSTPD), the 25 bytes in the internal buffer remain
unchanged and are only lost if the power supply is removed from the MFRC523.
This command automatically terminates when finished and the Idle command becomes
active.
10.3.1.3
Generate RandomID
This command generates a 10-byte random number which is initially stored in the internal
buffer. This then overwrites the 10 bytes in the internal 25-byte buffer. This command
automatically terminates when finished and the MFRC523 returns to Idle mode.
10.3.1.4
CalcCRC command
The FIFO buffer content is transferred to the CRC coprocessor and the CRC calculation is
started. The calculation result is stored in the CRCResultReg register. The CRC
calculation is not limited to a dedicated number of bytes. The calculation is not stopped
when the FIFO buffer is empty during the data stream. The next byte written to the FIFO
buffer is added to the calculation.
The CRC preset value is controlled by the ModeReg register’s CRCPreset[1:0] bits. The
value is loaded in to the CRC coprocessor when the command starts. This command
must be terminated by writing a command to the CommandReg register, such as, the Idle
command.
If the AutoTestReg register’s SelfTest[3:0] bits are set correctly, the MFRC523 enters
Self-test mode. Starting the CalcCRC command initiates a digital self-test. The result of
the self-test is written to the FIFO buffer.
10.3.1.5
Transmit command
The FIFO buffer content is immediately transmitted after starting this command. Before
transmitting the FIFO buffer content, all relevant registers must be set for data
transmission.
This command automatically terminates when the FIFO buffer is empty. It can be
terminated by another command written to the CommandReg register.
-
MFAuthent
SoftReset
1101
1110
1111
reserved for future use
performs the MIFARE standard authentication as a reader
resets the MFRC523
Table 150. Command overview
…continued
Command
Command
code
Action
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MFRC52301HN1,151 功能描述:RFID應(yīng)答器 IC TRANSMISSION MOD 32-HVQFN RoHS:否 制造商:Murata 存儲(chǔ)容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
MFRC52301HN1,157 功能描述:RFID應(yīng)答器 IC TRANSMISSION MOD 32-HVQFN RoHS:否 制造商:Murata 存儲(chǔ)容量:512 bit 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
MFRC52301HN1/TRAYB 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Contactless reader IC
MFRC52301HN1/TRAYBM 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Contactless reader IC
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