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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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SRT512 Datasheet(PDF) 8 Page - STMicroelectronics |
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SRT512 Datasheet(HTML) 8 Page - STMicroelectronics |
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8 / 46 page  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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