SRI512-SBN181GE STMICROELECTRONICS [STMicroelectronics], SRI512-SBN181GE Datasheet - Page 8
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SRI512-SBN181GE
Manufacturer Part Number
SRI512-SBN181GE
Description
13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.SRI512-SBN181GE.pdf
(47 pages)
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Signal description
2
2.1
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The SRI512 contactless EEPROM can be randomly read and written in block mode (each
block containing 32 bits). The instruction set includes the following nine commands:
●
●
●
●
●
●
●
●
●
The SRI512 memory is organized in three areas, as described in
resettable OTP (one-time programmable) area in which bits can only be switched from 1 to
0. Using a special command, it is possible to erase all bits of this area to 1.
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.
Signal description
AC1, AC0
The pads for the Antenna Coil. AC1 and AC0 must be directly bonded to the antenna.
Read_block
Write_block
Initiate
Pcall16
Slot_marker
Select
Completion
Reset_to_inventory
Get_UID
Die floor plan
AC0
AC1
AI09055
Table
3. The first area is a
SRI512
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