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LRI1K 数据表(PDF) 52 Page - STMicroelectronics

部件名 LRI1K
功能描述  1024-bit EEPROM tag IC at 13.56 MHz, with 64-bit UID and kill code, ISO 15693 and ISO 18000-3 Mode 1 compliant
PDF  86 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LRI1K 数据表(HTML) 52 Page - STMicroelectronics

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Commands codes
LRI1K
52/86
Doc ID 17170 Rev 3
20.4
Write Single Block
On receiving the Write Single Block Command, the LRI1K writes the data contained in the
request to the requested block and reports whether the write operation was successful in
the response. The Option_flag is supported.
During the write cycle tW, there should be no modulation (neither 100% nor 10%).
Otherwise, the LRI1K may not program correctly the data into the memory. The tW time is
equal to t1nom + 18 × 302µs.
Request parameters:
●
UID (Optional)
●
Block number
●
Data
Response parameter:
●
No parameter. The response is sent back after the write cycle.
Response parameter:
●
Error code as Error_flag is set:
–
10h: block address not available
–
12h: block is locked
–
13h: block not programmed
Table 28.
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 29.
Write Single Block response format when Error_flag is NOT set
Response SOF
Response_flags
CRC16
Response EOF
8 bits
16 bits
Table 30.
Write Single Block response format when Error_flag is set
Response SOF
Response_flags
Error code
CRC16
Response EOF
8 bits
8 bits
16 bits
Figure 42.
Write Single Block frame exchange between VCD and LRI1K
VCD
SOF
Write Single
Block request
EOF
LRI1K
<-t1->
SOF
Write Single
Block response
EOF
Write sequence when error
LRI1K
<------------ tW ------------><- t1 ->
SOF
Write Single
Block response
EOF



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