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SL2S2102FTB Datenblatt(PDF) 5 Page - NXP Semiconductors |
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SL2S2102FTB Datenblatt(HTML) 5 Page - NXP Semiconductors |
5 / 13 page SL2S2002_SL2S2102_SDS All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product short data sheet PUBLIC Rev. 3.2 — 10 January 2011 198332 5 of 13 NXP Semiconductors SL2S2002; SL2S2102 ICODE SLIX 7. Functional description 7.1 Block description The ICODE SLIX IC consists of three major blocks: • Analog RF interface • Digital controller • EEPROM The analog section provides stable supply voltage and demodulates data received from the reader for processing by the digital section. The analog section’s modulation transistor also transmits data back to the reader. The digital section includes the state machines, processes the protocol and handles communication with the EEPROM. The label requires no internal power supply. Its contactless interface generates the power supply and the system clock via the resonant circuitry by inductive coupling to the interrogator. The interface also demodulates data that are transmitted from the interrogator to the ICODE Label, and modulates the electromagnetic field for data transmission from the ICODE Label to the interrogator. Data are stored in a non-volatile memory (EEPROM). 7.2 Memory organization The 1024 bit EEPROM memory is divided into 32 blocks. A block is the smallest access unit. Each block consists of 4 bytes (1 block = 32 bits). Bit 0 in each byte represents the least significant bit (LSB) and bit 7 the most significant bit (MSB), respectively. The memory is divided into 2 parts: • Configuration area Within this part of the memory all required information is stored, such as UID, write protection, access control information, passwords, AFI and EAS. This memory area cannot be directly accessed. • User memory Within the 896 bit memory area the user data are stored. Direct read/write access to this part of the memory is possible depending on the related write protection conditions. |
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