MFRC63002R datasheet(49/118 Pages) NXP

49 / 118 page

MFRC630

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Product data sheet

COMPANY PUBLIC

Rev. 3.1 — 6 September 2012

227531

49 of 118

NXP Semiconductors

MFRC630

Contactless reader IC

8.10.3 Command functionality

8.10.3.1

Idle command

Command (00h);

This command indicates that the MFRC630 is in idle mode. This command is also used to

terminate the actual command.

8.10.3.2

LPCD command

Command (01h);

This command performs a low-power card detection and or an automatic trimming of the

LPO. The values of the sampled I and Q channel are stored in the register map. The value

is compared with the min/max values in the register. If it exceeds the limits, an LPCD_Irq

will be raised. After the command the standby is activated if selected.

8.10.3.3

Load key command

Command (02h), Parameter1 (key byte1),..., Parameter6 (key byte6);

Loads a MIFARE Key (6 bytes) for Authentication from the FIFO into the crypto unit.

Abort condition: Less than 6 bytes written to the FIFO.

8.10.3.4

MFAuthent command

Command (03h), Parameter1 (Authentication command code 60h or 61h), Parameter2

(block address), Parameter3 (card serial number byte0), Parameter4 (card serial number

byte1), Parameter5 (card serial number byte2), Parameter6 (card serial number byte3);

This command handles the MIFARE authentication in Reader/Writer mode to enable a

secure communication to any MIFARE classic card.

When the MFAuthent command is active, any FIFO access is blocked. Anyhow if there is

an access to the FIFO, the bit WrErr in the Error register is set.

This command terminates automatically when the MIFARE card is authenticated and the

bit MFCrypto1On is set to logic 1.

LoadProtocol

0Dh

(Protocol umber RX), (Protocol number

TX);

reads data from the internal EEPROM and initializes the

MFRC630 registers needed for a Protocol change

LoadKeyE2

0Eh

KeyNr;

copies a key of the EEPROM into the key buffer

StoreKeyE2

0Fh

KeyNr, byte1,byte2, byte3, byte4,

byte5,byte6;

stores a MIFARE key (size of 6 bytes) into the EEPROM

ReadRNR

1Ch

Copies bytes from the Random Number generator into

the FIFO until the FiFo is full

Soft Reset

1Fh

resets the MFRC630

Table 34.

Command set …continued

Command

No.

Parameter (bytes)

Short description

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