RX95HF datasheet(19/44 Pages) STMICROELECTRONICS

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RX95HF

Commands

If the request from the Reader was received and decoded correctly, the RX95HF will send

data back to the Host (Tag Emulation application). This is explained in Table 14.

5.7

Send command (0x06) description

This command immediately sends data to the reader using the Load Modulation method

without waiting for a reply.

Before sending this command, the application must select a communication protocol.

RX95HF -

Host

Error code

<<<0x8E00

Reception lost without EOF

received

Length of data

Table 14. Data format sent to the Host in Listening mode

Protocol

Explanation

Response example

Comments

ISO/IEC-

14443

Type A

Request example 80 0A 9370800F8C8E

4E01

<<<0x80 0A

9370800F8C8E

8D 4E01 08

Result code

Length of entire data field

Data received from reader

Received value of BCC (if any)

Received value of CRC (if any)

7: RFU

6: RFU

5: CRC error

4: Parity error

3:0: number of significant bits in last byte

Table 13. Response codes from the RX95HF in Listening mode (continued)

Direction

Data

Comments

Example

Table 15. SEND command description

Direction

Data

Comments

Example

Host to

RX95HF

Command code

Depends on protocol previously

selected!

>>>0x0606D07387080028

: Emulation

of TAG response in ISO/IEC 14443

Type A protocol

<Len>

Length of data

<Data>

Data and additional

parameter to be sent

RX95HF to

Host

Result code

<<<0x0000

Data was successfully sent

Length of data

RX95HF to

Host

Error code

<<<0x8200

Invalid length (for example,

Length=0 where it is not possible)

Length of data

RX95HF to

Host

Error code

<<<0x8300

Invalid protocol previously

selected by Select Protocol command

Length of data

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