ST25DV64KC datasheet(53/203 Pages) STMICROELECTRONICS

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Table 49. RFA3SS

Bit

Name

Function

Factory value

b1-b0

PWD_CTRL_A3

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

01: Area 3 RF user security session is open by RF_PWD_1

10: Area 3 RF user security session is open by RF_PWD_2

11: Area 3 RF user security session is open by RF_PWD_3

00b

b3-b2

RW_PROTECTION_A3

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

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

session is open

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

allowed if RF user security session is open

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

always forbidden

00b

b7-b4

RFU

0000b

Note:

Refer to Table 13. System configuration memory map for the RFA3SS register.

Table 50. RFA4SS access

I2C

Command

Type

Address

Type

Read Configuration (cmd code A0h) @0Ah

Write Configuration (cmd code A1h) @0Ah

R always, W if RF configuration security

session is open and configuration not

locked

E2=1, E1=1, 000Ah R always, W if I

2C security

session is open

Table 51. RFA4SS

Bit

Name

Function

Factory value

b1-b0

PWD_CTRL_A4

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

01: Area 4 RF user security session is open by RF_PWD_1

10: Area 4 RF user security session is open by RF_PWD_2

11: Area 4 RF user security session is open by RF_PWD_3

00b

b3-b2

RW_PROTECTION_A4

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

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

session is open

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

allowed if RF user security session is open

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

always forbidden

00b

b7-b4

RFU

0000b

Note:

Refer to Table 13. System configuration memory map for the RFA4SS register.

ST25DV04KC ST25DV16KC ST25DV64KC

Data protection

DS13519 - Rev 3

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