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LRI512 数据表(PDF) 36 Page - STMicroelectronics

部件名 LRI512
功能描述  Memory TAG IC 512 bit High Endurance EEPROM 13.56MHz, ISO 15693 Standard Compliant with E.A.S.
PDF  54 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LRI512 数据表(HTML) 36 Page - STMicroelectronics

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LRI512
36/54
LOCK AFI
Command Code = 0x28
When receiving the Lock AFI Request, the LRI512
lock the AFI value permanently. The Option_Flag
is not supported.
During the write cycle tW, no modulation (never
100% nor 10%) shall occur. If so, the LRI512 may
not Lock correctly the AFI value into the memory.
The tW delay is a multiple of t1nominal.
Request parameter (Table 43):
– UID (Optional)
Response parameter (Table 44):
– No parameter.
Response parameter (Table 45):
– Error Code as Error_Flag is set
Table 43. Lock AFI Request Format
Table 44. Lock AFI Response Format when Error Flag is NOT Set
Table 45. Lock AFI Response Format when Error Flag is Set
Figure 40. LOCK AFI Frame Exchange between VCD and LRI512
Request
SOF
Request
Flags
Lock AFI
UID
CRC16
Request
EOF
8 bits
0x28
64 bits
16 bits
Response SOF
Response_Flags
CRC16
Response EOF
8 bits
16 bits
Response SOF
Response_Flags
Error Code
CRC16
Response EOF
8 bits
8 bits
16 bits
AI06838
VCD
LRI512
LRI512
t1
EOF
SOF
EOF
SOF
Lock sequence when error
SOF
EOF
t1
tw
Lock AFI
Request
Lock AFI
Response
Lock AFI
Response



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