UCODE
SL3S4011_4021
UCODE I²C
Rev. 3.5 — 18 September 2018 204935
Product data sheet COMPANY PUBLIC
1 General description
Th...
Description
SL3S4011_4021
UCODE I²C
Rev. 3.5 — 18 September 2018 204935
Product data sheet COMPANY PUBLIC
1 General description
The UHF EPCglobal Generation-2 standard allows the commercialized provision of mass adoption of UHF RFID technology for passive smart tags and labels. Main fields of applications are supply chain management and logistics for worldwide use with special consideration of European, US and Chinese frequencies to ensure that operating distances of several meters can be realized.
The NXP Semiconductors UCODE product family is compliant to this EPC Gen2 standard offering anti-collision and collision arbitration functionality. This allows a reader to simultaneously operate multiple labels/tags within its antenna field.
The UCODE-based label/ tag requires no external power supply for contactless operation. Its contactless interface generates the power supply via the antenna circuit by propagative energy transmission from the interrogator (reader), while the system clock is generated by an on-chip oscillator. Data transmitted from the interrogator to the label/tag is demodulated by the interface, and it also modulates the interrogator's electromagnetic field for data transmission from the label/tag to the interrogator.
A label/tag can be then operated without the need for line of sight or battery, as long as it is connected to a dedicated antenna for the targeted frequency range. When the label/tag is within the interrogator's operating range, the high-speed wireless int...
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