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LRI2K датащи(PDF) 65 Page - STMicroelectronics

номер детали LRI2K
подробное описание детали  13.56 MHz, 2048-bit EEPROM tag IC with 64-bit UID and kill code, ISO 15693 and ISO 18000-3 Mode 1 compliant
PDF  89 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LRI2K датащи(HTML) 65 Page - STMicroelectronics

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LRI2K
Commands codes
65/89
20.16
Write Kill
On receiving the Write Kill command, the LRI2K writes the kill code with the data contained
in the request and reports whether the operation was successful in the response. The
Option_Flag is supported. After a successful write, the kill code must be locked by a Lock
Kill command to activate the protection.
During the write cycle tW, there should be no modulation (neither 100% nor 10%).
Otherwise, the LRI2K may not correctly program the data to the memory. The tW time is
equal to t1nom + 18 × 302 µs.
Request parameters:
●
UID (Optional)
●
Kill Address (00h = Kill, other = Error)
●
Data
No parameter. The response is send 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 66.
Write Kill request format
Request
SOF
Request_
Flags
Write
Kill
IC Mfg
code
UID
Kill
access
Kill code
CRC16
Request
EOF
8 bits
B1h
02h
64 bits
00h
32 bits
16 bits
Table 67.
Write Kill response format when Error_Flag is NOT set
Response SOF
Response_Flags
CRC16
Response EOF
8 bits
16 bits
Table 68.
Write Kill response format when Error_Flag is set
Response SOF
Response_Flags
Error code
CRC16
Response EOF
8 bits
8 bits
16 bits
Figure 55.
Write Kill frame exchange between VCD and LRI2K
VCD
SOF
Write Kill
request
EOF
LRI2K
<-t1-> SOF
Write Kill
response
EOF
Write sequence when
error
LRI2K
<------------ tW ------------><- t1 -> SOF
Write Kill
response
EOF



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