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SRT512 датащи(PDF) 8 Page - STMicroelectronics

номер детали SRT512
подробное описание детали  13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions
PDF  46 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SRT512 датащи(HTML) 8 Page - STMicroelectronics

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Signal description
SRT512
8/46
Doc ID 13277 Rev 4
The SRT512 contactless EEPROM can be randomly read and written in block mode (each
block containing 32 bits). The instruction set includes the following nine commands:
Read_block
Write_block
Initiate
Pcall16
Slot_marker
Select
Completion
Reset_to_inventory
Get_UID
The SRT512 memory is organized in three areas, as described in Table 12. The first area is
an EEPROM area where all blocks behave as User blocks.
The second area provides two 32-bit binary counters that can only be decremented from
FFFF FFFFh to 0000 0000h, and gives a capacity of 4,294,967,296 units per counter.
The last area is the EEPROM memory. It is accessible by block of 32 bits and includes an
auto-erase cycle during each Write_block command.
Figure 2.
Die floor plan
2
Signal description
2.1
AC1, AC0
The pads for the antenna coil. AC1 and AC0 must be directly bonded to the antenna.
AI09055
AC1
AC0



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