PN5120A0HN/C1,557 NXP Semiconductors, PN5120A0HN/C1,557 Datasheet - Page 97
PN5120A0HN/C1,557
Manufacturer Part Number
PN5120A0HN/C1,557
Description
IC TRANSMISSION MOD 40-HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.PN5120A0HN1C2118.pdf
(125 pages)
Specifications of PN5120A0HN/C1,557
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO14443-A, ISO14443-B
Package / Case
40-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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NXP Semiconductors
PN512
Product data sheet
COMPANY PUBLIC
19.3.1.1 Idle
19.3.1.2 Mem
19.3.1.3 Generate RandomID
19.3.1.4 CalcCRC
19.3.1 PN512 command descriptions
19.3 PN512 command overview
Table 157. Command overview
Places the PN512 in Idle mode. The Idle command also terminates itself.
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 PN512.
This command automatically terminates when finished and the Idle command becomes
active.
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 PN512 returns to Idle mode.
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.
Command
Idle
Mem
Generate RandomID
CalcCRC
Transmit
NoCmdChange
Receive
Transceive
-
MFAuthent
SoftReset
All information provided in this document is subject to legal disclaimers.
Command
code
0000
0001
0010
0011
0100
0111
1000
1100
1101
1110
1111
Rev. 3.6 — 10 March 2011
111336
Action
no action, cancels current command execution
stores 25 bytes into the internal buffer
generates a 10-byte random ID number
activates the CRC coprocessor or performs a self test
transmits data from the FIFO buffer
no command change, can be used to modify the
CommandReg register bits without affecting the command,
for example, the PowerDown bit
activates the receiver circuits
transmits data from FIFO buffer to antenna and automatically
activates the receiver after transmission
reserved for future use
performs the MIFARE standard authentication as a reader
resets the PN512
Transmission module
© NXP B.V. 2011. All rights reserved.
PN512
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