LRI64 datasheet(7/52 Pages) STMICROELECTRONICS

부품명	LRI64

상세설명	Memory TAG IC at 13.56 MHz, with 64-bit Unique ID and WORM user area, ISO15693 and ISO18000-3 Mode 1 compliant

PDF	52 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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LRI64

Description

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Description

The LRI64 is a contactless memory, powered by an externally transmitted radio wave. It

contains a 120-bit non-volatile memory. The memory is organized as 15 blocks of 8 bits, of

which 7 blocks are accessible as Write-Once Read-Many (WORM) memory.

Figure 1.

Logic diagram

The LRI64 is accessed using a 13.56 MHz carrier wave. Incoming data are demodulated

from the received Amplitude Shift Keying (ASK) signal, 10% modulated. The data are

transferred from the reader to the LRI64 at 26 Kbit/s, using the “1-out-of-4” pulse encoding

mode.

Outgoing data are sent by the LRI64, generated by load variation on the carrier wave, using

Manchester coding with a single sub-carrier frequency of 423 kHz. The data are transferred

from the LRI64 to the reader at 26 Kbit/s, in the high data rate mode.

The LRI64 supports the high data rate communication protocols of ISO 15693 and ISO

18000-3 Mode 1 recommendations. All other data rates and modulations are not supported

by the LRI64.

Table 1.

Signal names

Figure 2.

MLP connections

n/c means not connected internally.

AC1

Antenna Coil

AC0

Antenna Coil

AI08590

AC1

LRI64

AC0

Power

Supply

Regulator

Manchester

Load

Modulator

ASK

Demodulator

120-bit

WORM

Memory

AI11612

AC0

AC1

n/c

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