ST25DV04K datasheet(33/220 Pages) STMICROELECTRONICS

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DocID027603 Rev 4

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ST25DV04K ST25DV16K ST25DV64K

Memory management

219

N/A

RW(6)

Table 45: AFI

AFI value

E2=1

0013h

N/A

Table 46: MEM_SIZE

Memory size value in

blocks, 2 bytes

E2=1

0014h

0015h

Table 47: BLK_SIZE

Block size value in bytes

E2=1

0016h

N/A

Table 48: IC_REF

IC reference value

E2=1

0017h

Table 49: UID

Unique identifier, 8 bytes

E2=1

0018h

001Fh

No access

Table 50: IC_REV

IC revision

E2=1

0020h

ST Reserved

E2=1

0021h

ST Reserved

E2=1

0022h

ST Reserved

E2=1

0023h

Table 35: I2C_PWD

I2C security session

password, 8 bytes

E2=1

0900h

0907h

R(7)/

W(8)

N/A

WO(9)

Table 36: RF_PWD_0

RF configuration security

session password, 8 bytes

No access

N/A

WO(9)

Table 37: RF_PWD_1

RF user security session

password 1, 8 bytes

N/A

WO(9)

Table 38: RF_PWD_2

RF user security session

password 2, 8 bytes

N/A

WO(9)

Table 39: RF_PWD_3

RF user security session

password 3, 8 bytes

1. Write access is granted if RF configuration security session is open and configuration is not locked

(LOCK_CFG register equals to 0).

2. Write access if I2C security session is open.

3. LOCK_CCFILE content is only readable through reading the Block Security Status of blocks 00h and 001h

(see Section 5.6.3: User memory protection)

4. Write access to bit 0 if Block 00h is not already locked and to bit 1 if Block 01h is not already locked.

5. Write access if DSFID is not locked

6. Write access if AFI is not locked.

7. Read access is granted if I2C security session is open.

8. Write access with I2C Write Password command, only after presenting a correct I2C password.

9. Write access only if corresponding RF security session is open.

Table 8. System configuration memory map (continued)

RF access

Static Register

I2C access

Address

Type

Name

Function

Device

select

Address Type

ST25DV04K Datasheet(PDF) 33 Page - STMicroelectronics

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