SL3S1205FUD2SLASHHAP datasheet(6/38 Pages) NXP

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NXP Semiconductors

SL3S1205_15

UCODE 8/8m

5 Block diagram

The UCODE 8/8m IC consists of three major blocks:

• Analog Interface

• Digital Control

• EEPROM

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

reader which is then 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.

aaa-027138

ANALOG

RF INTERFACE

VREG

MOD

data

out

data

R/W

VDD

DEMOD

RECT

antenna

RF1

RF2

DIGITAL CONTROL

ANTICOLLISION

READWRITE

CONTROL

ACCESS CONTROL

EEPROM INTERFACE

CONTROL

RF INTERFACE

CONTROL

SEQUENCER

CHARGE PUMP

EEPROM

MEMORY

Adjust

Memory Safeguard

CONTROL

Figure 1. Block diagram of UCODE 8/8m IC

SL3S1205_15

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

Product data sheet

Rev. 3.5 — 1 April 2021

COMPANY PUBLIC

398435

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