SRTAG512L datasheet(36/51 Pages) STMICROELECTRONICS

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RF command sets

SRTAG512L

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Note:

Note: For further return codes and definitions, refer to Section 5.6.2: Status and error codes.

5.8

ST Proprietary command set

The RF host can be issued with the command set described in this chapter.

5.8.1

ExtendedReadBinary command

On receiving the ExtendedReadBinary command, the SRTAG512L reads the requested

memory field and sends back its value in the R-APDU response.

Before sending an ExtendedReadBinary command, a file shall be selected by issuing an

NDEF select command.

The response of the ExtendedReadBinary command will be successful even if the data to

be read is beyond the NDEF message. The command returns an error code if the data to be

read goes beyond the end of the file.

Table 43 defines the R-APDU of the read binary command.

Table 41. R-APDU of the Disable Verification Requirement command

Data

SW1

SW2

Comment

Length

1 byte

Value

0x90

0x00

Command completed, the password is correct

Value

0x69

0x81

Cmd is incompatible with the file structure

Value

0x69

0x82

Security status not satisfied

Value

0x6A

0x80

CC file or System file selected

Value

0x6A

0x82

File or application not found

Value

0x6A

0x86

Incorrect P1 or P2 values

Value

0x65

0x81

Update failed

Table 42. C-APDU of the ExtendedReadBinary command

Name

CLA

INS

P1 & P2

Data

0xA2

0xB0

2 bytes

1 byte

ST Class byte

Read instruction code

Offset in the file selected

(empty field)

Number of bytes to read between 0x01

≤ Le ≤ 0xFF

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