ST25DV64K datasheet(83/200 Pages) STMICROELECTRONICS

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7.6.2

Command codes list

The ST25DVxxx supports the commands described in this section. Their codes are given in Table 101. Command

codes.

Table 101. Command codes

Command

code standard

Function

Command

code custom

Function

01h

Inventory

A0h

Read Configuration

02h

Stay Quiet

A1h

Write Configuration

20h

Read Single Block

A9h

Manage GPO

21h

Write Single Block

AAh

Write Message

22h

Lock Block

ABh

Read Message Length

23h

Read Multiple Blocks

ACh

Read Message

24h

Write Multiple Blocks

ADh

Read Dynamic Configuration

25h

Select

AEh

Write Dynamic Configuration

26h

Reset to Ready

B1h

Write Password

27h

Write AFI

B3h

Present Password

28h

Lock AFI

C0h

Fast Read Single Block

29h

Write DSFID

C3h

Fast Read Multiple Blocks

30h

Extended Read Single Block

C4h

Fast Extended Read Single Block

31h

Extended Write Single Block

C5h

Fast Extended Read Multiple Block

32h

Extended Lock block

CAh

Fast Write Message

33h

Extended Read Multiple Blocks

CBh

Fast Read Message Length

34h

Extended Write Multiple Blocks

CCh

Fast Read Message

2Ah

Lock DSFID

CDh

Fast Read Dynamic configuration

2Bh

Get System Info

CEh

Fast Write Dynamic Configuration

2Ch

Get Multiple Block Security Status

3Bh

Extended Get System Info

3Ch

Extended Get Multiple Block Security Status

7.6.3

General command rules

In case of a valid command, the following paragraphs will describe the expected behavior for each command.

But in case of an invalid command, in a general manner, the ST25DVxxx will behave as follows:

if flag usage is incorrect, the error code 03h will be issued only if the right UID is used in the command,

otherwise no response will be issued.

error 02h will be issued if the custom command is used with the manufacturer code different from the ST one

Another case is if I2C is busy. In this case, any RF command (except Inventory, Select, Stay quiet and Reset to

ready) will get 0Fh error code as response only:

•

if select flag and address flags are not set at the same time (except if ST25DVxxx is in quiet state)

•

if select flag is set and ST25DVxxx is in selected state.

For all other commands, if I2C is busy, no response will be issued by ST25DVxxx.

ST25DV04K ST25DV16K ST25DV64K

RF commands

DS10925 - Rev 9

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