參數(shù)資料
型號(hào): SL2MOS5101EV,118
廠商: NXP Semiconductors
文件頁數(shù): 25/28頁
文件大?。?/td> 0K
描述: IC I-CODE SLI PLLMC
標(biāo)準(zhǔn)包裝: 16,500
系列: *
136430
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 3.0 — 14 March 2007
6 of 28
NXP Semiconductors
SL2 ICS50/SL2 ICS51
ICODE SLI-L/ICODE SLI-L HC
PUBLIC
7. Functional description
7.1 Block description
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). The EEPROM has a memory
capacity of 512 bit and is organized in 16 blocks consisting of 4 bytes each (1 block =
32 bits). The higher 8 blocks contain user data and the lowest 8 blocks contain the unique
identifier, the write access conditions and special data like AFI and DSFID.
7.2 Memory organization
The 512 bit EEPROM memory is divided into 16 blocks. A block is the smallest access
unit. Each block consists of 4 bytes (1 block = 32 bits). 4 blocks are summed up to 1 page.
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 are stored like UID, Write
protection, Passwords and so on. Direct access to this memory area is not
possible.
User Memory
Within this 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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