SL2S1502FUD datasheet(5/33 Pages) NXP

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NXP Semiconductors

SL2S1402_SL2S1502_SL2S1602

ICODE ILT

SL2S1402_SL2S1502_SL2S1602

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 3.3 — 15 October 2019

COMPANY PUBLIC

234333

5 / 33

5 Block diagram

The SL2S1402; SL2S1502; SL2S1602 IC consists of three major blocks:

- Analog RF Interface

- Digital Controller

- EEPROM

The analog part provides stable supply voltage and demodulates data received from the

reader for being processed by the digital part. Further, the modulation transistor of the

analog part transmits data back to the reader.

The digital section includes the state machines, processes the protocol and handles

communication with the EEPROM, which contains the EPC and the user data.

001aai335

MOD

DEMOD

VREG

VDD

data

out

R/W

ANALOG

RF INTERFACE

PAD

RECT

DIGITAL CONTROL

ANTENNA

ANTICOLLISION

READ/WRITE

CONTROL

ACCESS CONTROL

EEPROM INTERFACE

CONTROL

RF INTERFACE

CONTROL

I/O

CONTROL

EEPROM

MEMORY

SEQUENCER

CHARGE PUMP

PAD

OUT

PAD

Figure 1. Block diagram

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