ST25TV02K datasheet(12/90 Pages) STMICROELECTRONICS

12 / 90 page

Table 9. A2SS

Command

Read Configuration (cmd code A0h) @01h

Write Configuration (cmd code A1h) @01h

Type

R always, W if configuration security session is open and configuration not locked

Bit

Name

Function

Factory value

b1-b0

RW_PROTECTION_A2

Area 2 access rights:

00: Area 2 access: Read and write are always allowed

01: Area 2 access: Read is always allowed, and if the user

security session is open (i.e. the proper Area 2 password has been

presented), then write is allowed.

10: Area 2 access: Read and Write are allowed only if the user

security session is open (the proper Area 2 password has been

presented)

11: Area 2 access: Read is allowed only if user security session is

open (the proper Area 2 password has been presented). Write is

always forbidden.

00b

b7-b2

RFU

000000b

Note:

Refer to Table 4. System configuration memory map accessible through write_cfg and read_cfg commands

Table 10. LOCK_CFG

Command

Read Configuration (cmd code A0h) @06h

Write Configuration (cmd code A1h) @06h

Type

R: always possible

W: if RF configuration security session is open (configuration password has been presented

before) and configuration not locked

Bit

Name

Function

Factory value

LCK_CFG

0: Configuration is unlocked (configuration registers can be written)

1: Configuration is locked (configuration registers are definitively

locked)

b7-b1

RFU

0000000b

Note:

Refer to Table 4. System configuration memory map accessible through write_cfg and read_cfg commands

Table 11. PWD_CFG

Command

Write pswd (cmd code B1h) with pswd_id = 3h

Type

WO: if RF configuration security session is open (configuration password has been presented

before). If the configuration is locked, and the EAS configuration is protected by password, the

new PWD_CFG value is only applicable to the EAS configuration.

Bit

Name

Function

Factory value

b31-b0

CFG_PSWD

Password value for configuration area

00000000h

Note:

Refer to Table 5. System configuration memory map for registers accessed through dedicated commands

ST25TV02K ST25TV512

Data protection

DS12074 - Rev 11

page 12/90

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