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LRIS2K Arkusz danych(PDF) 69 Page - STMicroelectronics

Numer części LRIS2K
Szczegółowy opis  2048-bit EEPROM tag IC at 13.56 MHz, with 64-bit UID and Password, ISO15693 and ISO18000-3 Mode 1 compliant
PDF  98 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LRIS2K Arkusz danych(HTML) 69 Page - STMicroelectronics

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LRIS2K
Lock DSFID
Doc ID 13888 Rev 9
69/98
33
Lock DSFID
On receiving the Lock DSFID request, the LRIS2K locks the DSFID value permanently.
During the write cycle tW, there should be no modulation (neither 100% nor 10%).
Otherwise, the LRIS2K may not lock correctly the DSFID value in memory. The tW time is
equal to t1nom + 18 × 302 µs.
Request parameter:
●
UID (optional)
Response parameter:
●
No parameter.
Response parameter:
●
Error code as Error_flag is set:
–
11h: block is locked
–
14h: block not locked
Table 55.
Lock DSFID request format
Request
SOF
Request_
flags
Lock
DSFID
UID
CRC16
Request
EOF
8 bits
2Ah
64 bits
16 bits
Table 56.
Lock DSFID response format when Error_flag is NOT set
Response
SOF
Response_flags
CRC16
Response
EOF
8 bits
16 bits
Table 57.
Lock DSFID response format when Error_flag is set
Response
SOF
Response_flags
Error code
CRC16
Response
EOF
8 bits
8 bits
16 bits
Figure 49.
Lock DSFID frame exchange between VCD and LRIS2K
VCD
SOF
Lock DSFID
request
EOF
LRIS2K
<-t1-> SOF
Lock DSFID
response
EOF
Lock sequence
when error
LRIS2K
<------------ tW ------------><- t1 -> SOF
Lock DSFID
response
EOF



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