SRI2K datasheet(35/45 Pages) STMICROELECTRONICS

部件名	SRI2K

功能描述	13.56 MHz short-range contactless memory chip with 2048-bit EEPROM and anticollision functions

PDF	45 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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35 / 45 page

SRI2K

SRI2K commands

Doc ID 15779 Rev 3

35/45

Figure 46.

Write_block frame exchange between reader and SRI2K

8.9

Get_UID() command

Command code = 0Bh

On receiving the Get_UID command, the SRI2K returns its 8 UID bytes. UID bytes are

transmitted with the least significant byte first, and each byte is transmitted with the least

significant bit first.

The SRI2K must have received a Select() command and be switched to Selected state

before any Get_UID() command can be accepted. All Get_UID() commands sent to the

SRI2K before a Select() command is issued, are ignored.

Figure 47.

Get_UID request format

Request parameter:

●

No parameter

Figure 48.

Get_UID response format

Response parameters:

●

UID 0: Less significant UID byte

●

UID 1 to UID 6: UID bytes

●

UID 7: Most significant UID byte.

DATA

ai15588

DATA

Reader

SRI2K

CRCL CRCH EOF

SOF

09h

ADDR

No Response

SOF

Get_UID

CRCL

CRCH

EOF

AI07693b

0Bh

8 bits

SOF

UID 1

CRCL

CRCH

EOF

AI07694

8 bits

UID 2

UID 3

UID 4

8 bIts

UID 0

UID 5

8 bIts

UID 6

8 bIts

8 bits

UID 7

8 bIts

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