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ST25DV04K Datasheet(PDF) 47 Page - STMicroelectronics

No. de pieza ST25DV04K
Descripción Electrónicos  Dynamic NFC/RFID tag IC with 4-, 16-, or 64-Kbit EEPROM, and fast transfer mode capability
PDF  197 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25DV04K Datasheet(HTML) 47 Page - STMicroelectronics

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Table 46. RFA2SS
Bit
Name
Function
Factory Value
b1-b0
PWD_CTRL_A2
00: Area 2 RF user security session can’t be open by password
01: Area 2 RF user security session is open by RF_PWD_1
10: Area 2 RF user security session is open by RF_PWD_2
11: Area 2 RF user security session is open by RF_PWD_3
00b
b3-b2
RW_PROTECTION_A2
00: Area 2 RF access: Read always allowed, Write always allowed
01: Area 2 RF access: Read always allowed, Write allowed if RF user security
session is open
10: Area 2 RF access: Read allowed if RF user security session is open, Write
allowed if RF user security session is open
11: Area 2 RF access: Read allowed if RF user security session is open, Write
always forbidden
00b
Note:
Refer to Table 11. System configuration memory map for the RFA2SS register.
Table 47. RFA3SS access
RF
I2C
Command
Type
Address
Type
Read Configuration (cmd code A0h) @08h
Write Configuration (cmd code A1h) @08h
R always, W if RF configuration security
session is open and configuration not
locked
E2 = 1, 0008h
R always, W if I2C security
session is open
Table 48. 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 11. System configuration memory map for the RFA3SS register.
Table 49. RFA4SS access
RF
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, 000Ah
R always, W if I2C security
session is open
ST25DV04K ST25DV16K ST25DV64K
Data Protection
DS10925 - Rev 11
page 47/197



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