LRI64 datasheet(32/52 Pages) STMICROELECTRONICS

部件名	LRI64

功能描述	Memory tag IC at 13.56 MHz, with 64-bit unique ID and WORM user area, ISO 15693 and ISO 18000-3 Mode 1 compliant

PDF	52 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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32 / 52 page

Command codes

LRI64

32/52

Command codes

The LRI64 supports the command codes listed in Table 9.

18.1

Inventory

When receiving the Inventory request, the LRI64 performs the anticollision sequence. The

Inventory_flag is set to 1. The meanings of flags 5 to 8 is as described in Table 5.

The Request frame (Figure 22) contains:

●

Request flags (Table 3 and Table 5)

●

Inventory command code (01h, Table 9)

●

AFI, if the AFI flag is set

●

Mask length

●

Mask value

●

2-byte CRC (Figure 15)

In case of errors in the Inventory request frame, the LRI64 does not generate any answer.

The response frame (Figure 23) contains:

●

Response flags (Table 6)

●

DSFID

●

Unique ID

●

2-byte CRC (Figure 15)

Figure 22.

Inventory, request frame format

Figure 23.

Inventory, response frame format

Table 9.

Command codes

Command code

Function

01h

Inventory

02h

Stay Quiet

20h

Read Single Block

21h

Write Single Block

2Bh

Get System Info

AI09729

Request

SOF

Request

Flags

Command

Code

Optional

AFI

Mask Value

2-Byte

CRC

Request

EOF

8 bits

01h

8 bits

0 to 8 bytes

16 bits

Mask

Length

8 bits

AI09730

Response

SOF

Response

Flags

DSFID

2-Byte

CRC

Response

EOF

8 bits

16 bits

UID

64 bits

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