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SL3ICS3001 Datasheet(PDF) 23 Page - NXP Semiconductors |
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SL3ICS3001 Datasheet(HTML) 23 Page - NXP Semiconductors |
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23 / 54 page ![]() SL3ICS3001_072831 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.1 — 9 July 2012 072831 23 of 54 NXP Semiconductors SL3ICS3001 UCODE HSL 10. Memory • Tag memory size: – 2048 bits • ID memory size: – 8 bytes • User memory size: – 216 bytes All transmitted ADDRESS fields in the forward link has to be within the range of 0 to 223 (‘0h’ to ‘DFh’), as this address refers to byte units. If an ADDRESS field is received that exceeds ‘DFh’, the command is ignored. Each byte has an associated lock bit. If this lock bit is set to ‘1’ the data of the byte cannot be changed anymore. This means that no more write commands can be processed on that byte. Note: In case a read command uses a valid value for ADDRESS, but the number of bytes read by the command exceed ‘DFh’ is not defined. 10.1 Memory organization The memory is organized byte-wise. Each byte has a dedicated lock bit. Writing with the commands WRITE4BYTE and WRITE4BYTE_MULTIPLE is only possible on a 4 byte boundary: 0, 4, 8, … 10.2 Definition of block contents 10.2.1 UID The Unique ID (UID) is a 64 bit number, and is located in the bytes from 0 to 7. The most significant byte is stored on byte location 0. The bytes associated with the UID have to be locked latest after final label test. 10.3 Configuration of delivered ICs Table 23. Configuration of delivered ICs Memory Address Memory Content Lock Status Comment Byte 0, 1 E0, 04 hex locked unique serial number Byte 2 - 7 xx hex locked unique serial number Byte 8 - 10 00 hex unlocked user memory Byte 11 02 hex unlocked user memory Byte 12 - 17 FF hex unlocked user memory Byte 18 - 219 00 hex unlocked user memory Byte 220 - 223 57 5F 4F 4B hex unlocked “w_ok” in ASCII, user memory |
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