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SL3S1205FUD2/HAP Datasheet(PDF) 20 Page - NXP Semiconductors |
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SL3S1205FUD2/HAP Datasheet(HTML) 20 Page - NXP Semiconductors |
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20 / 38 page  NXP Semiconductors SL3S1205_15 UCODE 8/8m 9.6 Supported features The UCODE 8/8m is equipped with a number of additional features. They are implemented in such a way that standard EPCglobal READ / WRITE / ACCESS / SELECT commands can be used to operate these features. The Configuration Word, as mentioned in the memory map, describes the additional features at address 200h of the EPC memory. Bit 14h of the TID indicates the existence of a Configuration Word. This flag enables the selection of configuration word enhanced transponders in mixed tag populations. 9.6.1 UCODE 8/8m features control mechanism The different features of the UCODE 8/8m can be activated / de-activated by addressing or changing the content of the corresponding bit in the configuration word at address 200h in the EPC memory bank (see Table 10). The de-activation of the action bit features will only happen after chip reset. Indicator bit Action bit Indicator bit Permanent bit EPC Check EPC Corr EPC NOK EPC+TID Brand Identifier Self Adjust Cap 1 Self Adjust Cap 0 Self Adjust disable 0 1 2 3 4 5 6 7 Table 10. Configuration word UCODE 8/8m Locked memory Permanent bit Locked memory Indicator bit Permanent bit RFU max.backsca tter strength RFU RFU User Memory Check User Memory Corr User Memory NOK PSF bit 8 9 10 11 12 13 14 15 Table 11. Configuration word UCODE 8/8m ... continued The configuration word contains 3 different type of bits: • Action bits: meant to trigger a feature upon a SELECT command on the related bit: EPC+TID Brand Identifier • Permanent bits: permanently stored bits in the memory Self Adjust disable Max. Backscatter Strength PSF Alarm bit • Indicator bits: cannot be changed by command EPC Check/Corr/NOK User Memory Check/Corr/NOK Self Adjust Cap0/Cap1 The activation or the de-activation of the feature behind the permanent bits happens only when attempting to write a "1" value to the related bit (value toggling) - writing "0" value has no effect. If the feature is activated, the related bit will be read with a "1" value and, if SL3S1205_15 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Product data sheet Rev. 3.5 — 1 April 2021 COMPANY PUBLIC 398435 20 / 38 |
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