LRIS2K datasheet(59/102 Pages) STMICROELECTRONICS

部件名	LRIS2K

功能描述	2048-bit EEPROM tag IC at 13.56 MHz, with 64-bit UID and Password, ISO15693 and ISO18000-3 Mode 1 compliant

PDF	102 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

59 / 102 page

LRIS2K

Write Single Block

59/102

Write Single Block

On receiving the Write Single Block command, the LRIS2K writes the data contained in the

request to the requested block and reports whether the write operation was successful in

the request. The Option_flag is supported.

During the write cycle tW, there should be no modulation (neither 100% nor 10%).

Otherwise, the LRIS2K may not program correctly the data into the memory. The tW time is

equal to t1nom + 18 × 302 µs.

Request parameters:

●

UID (optional)

●

Block number

●

Data

Response parameter:

●

No parameter. The response is send back after the writing cycle.

Response parameter:

●

Error code as Error_flag is set:

–

10h: block address not available

–

12h: block is locked

–

13h: block not programmed

Table 35.

Write Single Block request format

Request

SOF

Request_

flags

Write

Single

Block

UID

Block

number

Data

CRC16

Request

EOF

8 bits

21h

64 bits

8 bits

32 bits

16 bits

Table 36.

Write Single Block response format when Error_flag is NOT set

Response SOF

Response_flags

CRC16

Response EOF

8 bits

16 bits

Table 37.

Write Single Block response format when Error_flag is set

Response

SOF

Response_

Flags

Error code

CRC16

Response

EOF

8 bits

16 bits

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