ST25TV16K datasheet(13/87 Pages) STMICROELECTRONICS

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Table 11. A3SS

Command

Read Configuration (cmd code A0h) @08h

Write Configuration (cmd code A1h) @08h

Type

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

Bit

Name

Function

Factory Value

b1-b0

PWD_CTRL_A3

00: Area 3 user security session can’t be open by password

01: Area 3 user security session is open by PWD_1

10: Area 3 user security session is open by PWD_2

11: Area 3 user security session is open by PWD_3

00b

b3-b2

RW_PROTECTION_A3

00: Area 3 access: Read always allowed / Write always allowed

01: Area 3 access: Read always allowed, Write allowed if user

security session is open

10: Area 3 access: Read allowed if user security session is open,

Write allowed if user security session is open

11: Area 3 access: Read allowed if user security session is open,

Write always forbidden.

00b

b7-b4

RFU

0000b

Note:

Refer to Table 7. System configuration memory map for the A3SS register.

Table 12. A4SS

Command

Read Configuration (cmd code A0h) @0Ah

Write Configuration (cmd code A1h) @0Ah

Type

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

Bit

Name

Function

Factory Value

b1-b0

PWD_CTRL_A4

00: Area 4 user security session can’t be open by password

01: Area 4 user security session is open by PWD_1

10: Area 4 user security session is open by PWD_2

11: Area 4 user security session is open by PWD_3

00b

b3-b2

RW_PROTECTION_A4

00: Area 4 access: Read always allowed, Write always allowed

01: Area 4 access: Read always allowed, Write allowed if user

security session is open

10: Area 4 access: Read allowed if user security session is open,

Write allowed if user security session is open

11: Area 4 access: Read allowed if user security session is open,

Write always forbidden

00b

b7-b4

RFU

0000b

Note:

Refer to Table 7. System configuration memory map for the A4SS register.

ST25TV16K ST25TV64K

Data Protection

DS11489 - Rev 9

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