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SRIX4K データシート(PDF) 14 Page - STMicroelectronics

部品番号 SRIX4K
部品情報  13.56 MHz short-range contactless memory chip with 4096-bit EEPROM, anticollision and anti-clone functions
PDF  50 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SRIX4K データシート(HTML) 14 Page - STMicroelectronics

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Memory mapping
SRIX4K
14/50
4
Memory mapping
The SRIX4K is organized as 128 blocks of 32 bits as shown in Figure 3. All blocks are
accessible by the READ_BLOCK command. Depending on the write access, they can be
updated by the WRITE_BLOCK command. A WRITE_BLOCK updates all the 32 bits of the
block.
Table 3.
SRIX4K memory mapping
Block
Addr
Msb32 bits BlockLsb
b31b24 b23b16 b15b8 b7b0
Description
0
32 bits Boolean Area
Resettable OTP
bits
1
32 bits Boolean Area
2
32 bits Boolean Area
3
32 bits Boolean Area
4
32 bits Boolean Area
5
32 bits binary counter
Count down
Counter
6
32 bits binary counter
7User Area
Lockable
EEPROM
8User Area
9User Area
10
User Area
11
User Area
12
User Area
13
User Area
14
User Area
15
User Area
16
User Area
EEPROM
...
User Area
127
User Area
255
OTP_Lock_Reg
ST Reserved
Fixed Chip_ID
(Option)
System OTP bits
UID0
64 bits UID Area
ROM
UID1



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