LRI64 datasheet(20/38 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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20 / 38 page

LRI64

20/38

COMMANDS CODES

The LRI64 supports the command codes listed in

Table 9.

Table 9. Command Codes

Inventory

When receiving the Inventory request, the LRI64

performs

the

anti-collision

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 23.) 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 16.)

In case of errors in the Inventory request frame,

the LRI64 does not generate any answer.

The Response Frame (Figure 24.) contains:

–

Response Flags (Table 6.)

–DSFID

–

Unique ID

–

2-byte CRC (Figure 16.)

Figure 23. Inventory, Request Frame Format

Figure 24. Inventory, Response Frame Format

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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