HTMS8301FUGSLASHAM datasheet(3/44 Pages) NXP

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184430

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Product data sheet

PUBLIC

Rev. 3.0 — 18 March 2010

184430

3 of 44

NXP Semiconductors

HITAG µ

ISO 18000 transponder IC

5. Block diagram

The HITAG µ ISO 18000 transponder IC require no external power supply. The

contactless interface generates the power supply and the system clock via the resonant

circuitry by inductive coupling to the read/write device (RWD). The interface also

demodulates data transmitted from the RWD to the HITAG µ ISO 18000 transponder IC,

and modulates the magnetic field for data transmission from the HITAG µ ISO 18000

transponder IC to the RWD.

Data are stored in a non-volatile memory (EEPROM). The EEPROM has a capacity of

1760 bit and is organized in blocks.

Fig 1.

Block diagram of HITAG µ ISO 18000 transponder IC

001aai334

CLK

MOD

DEMOD

VREG

VDD

data

out

clock

R/W

ANALOGUE

RF INTERFACE

PAD

RECT

Cres

DIGITAL CONTROL

TRANSPONDER

ANTICOLLISION

READ/WRITE

CONTROL

ACCESS CONTROL

EEPROM INTERFACE

CONTROL

RF INTERFACE

CONTROL

EEPROM

SEQUENCER

CHARGE PUMP

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