LRI64 datasheet(9/38 Pages) STMICROELECTRONICS

部件名	LRI64

功能描述	Memory TAG IC, 64-bit Unique ID with WORM User Area 13.56MHz, ISO15693 and ISO18000-3 Mode 1 Compliant

PDF	38 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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LRI64

VCD TO LRI64 FRAMES

Request Frames are delimited by a Start of Frame

(SOF) and an End of Frame (EOF) and are imple-

mented using a code violation mechanism. Un-

used options are reserved for future use.

The LRI64 is ready to receive a new command

frame from the VCD after a delay of t2 (see Table

14.) after having sent a response frame to the

VCD.

The LRI64 generates a Power On delay of tPOR

(see Table 14.) after being activated by the power-

ing field. After this delay, the LRI64 is ready to re-

ceive a command frame from the VCD.

In ISO 15693 and ISO 18000-3 Mode 1 standards,

the SOF is used to define the data coding mode

that the VCD is going to use in the following com-

mand frame.

The SOF that is shown in Figure 8. selects the “1-

out-of-4” data coding mode. (The LRI64 does not

support the SOF for the “1-out-of-256” data coding

mode.)

The corresponding EOF sequence is shown in

Figure 9.

Figure 8. Request SOF, using the “1-out-of-4” Data Coding Mode

Figure 9. Request EOF

AI06660

37.76 µs

9.44 µs

37.76 µs

9.44 µs

AI06662

9.44 µs

37.76 µs

9.44 µs

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