LRIS64K datasheet(19/100 Pages) STMICROELECTRONICS

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LRIS64K

Commands

Doc ID 15336 Rev 11

19/100

Commands

The LRIS64K supports the following commands:

●

Inventory, used to perform the anticollision sequence.

●

Stay Quiet, used to put the LRIS64K in quiet mode, where it does not respond to any

inventory command.

●

Select, used to select the LRIS64K. After this command, the LRIS64K processes all

Read/Write commands with Select_flag set.

●

Reset To Ready, used to put the LRIS64K in the ready state.

●

Read Block, used to output the 32 bits of the selected block and its locking status.

●

Write Block, used to write the 32-bit value in the selected block, provided that it is not

locked.

●

Read Multiple Blocks, used to read the selected blocks and send back their value.

●

Write AFI, used to write the 8-bit value in the AFI register.

●

Lock AFI, used to lock the AFI register.

●

Write DSFID, used to write the 8-bit value in the DSFID register.

●

Lock DSFID, used to lock the DSFID register.

●

Get System Info, used to provide the system information value

●

Get Multiple Block Security Status, used to send the security status of the selected

block.

●

Initiate, used to trigger the tag response to the Inventory Initiated sequence.

●

Inventory Initiated, used to perform the anticollision sequence triggered by the Initiate

command.

●

Write-sector Password, used to write the 32 bits of the selected password.

●

Lock-sector Password, used to write the Sector security status bits of the selected

sector.

●

Present-sector Password, enables the user to present a password to unprotect the

user blocks linked to this password.

●

Fast Initiate, used to trigger the tag response to the Inventory Initiated sequence.

●

Fast Inventory Initiated, used to perform the anticollision sequence triggered by the

Initiate command.

●

Fast Read Single Block, used to output the 32 bits of the selected block and its

locking status.

●

Fast Read Multiple Blocks, used to read the selected blocks and send back their

value.

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