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SRT512 bảng dữ liệu(PDF) 14 Page - STMicroelectronics

tên linh kiện SRT512
Giải thích chi tiết về linh kiện  13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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SRT512 bảng dữ liệu(HTML) 14 Page - STMicroelectronics

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Memory mapping
SRT512
14/46
Doc ID 13277 Rev 4
4
Memory mapping
The SRT512 is organized as 16 blocks of 32 bits as shown in Table 12. 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.
Figure 12.
SRT512 memory mapping
Block
Addr
MSB
32-bit block
LSB
b31
b16
b15
b14
b8 b7
b0
Description
0User area
lockable
EEPROM
1User area
2User area
3User area
4User 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
255
OTP_Lock_Reg
1
ST Reserved
Fixed Chip_ID
(Option)
System OTP bits
UID0
64 bits UID area
ROM
UID1



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