m24lr64-r STMicroelectronics, m24lr64-r Datasheet - Page 86

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m24lr64-r

Manufacturer Part Number
m24lr64-r
Description
64 Kbit Eeprom With Password Protection & Dual Interface 400 Khz I?c Serial Bus & Iso 15693 Rf Protocol At 13.56 Mhz
Manufacturer
STMicroelectronics
Datasheet

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Commands codes
26.9
86/126
Lock AFI
On receiving the Lock AFI request, the M24LR64-R locks the AFI value permanently. The
Option_flag is supported.
During the RF write cycle W
Otherwise, the M24LR64-R may not Lock correctly the AFI value in memory. The W
equal to t
Table 57.
1. Gray means that the field is optional.
Request parameter:
Table 58.
Response parameter:
Table 59.
Response parameter:
Response
Request
Response
SOF
SOF
SOF
UID (optional)
No parameter
Error code as Error_flag is set
1nom
03h: the option is not supported
0Fh: error with no information given
11h: the specified block is already locked and thus cannot be locked again
14h: the specified block was not successfully locked
Request_
Lock AFI request format
Lock AFI response format when Error_flag is NOT set
Lock AFI response format when Error_flag is set
flags
8 bits
Response_
+ 18 × 302 µs.
Response_flags
8 bits
flags
8 bits
Lock
AFI
28h
t
, there should be no modulation (neither 100% nor 10%).
Error code
Doc ID 15170 Rev 9
8 bits
64 bits
UID
(1)
CRC16
16 bits
CRC16
16 bits
CRC16
16 bits
M24LR64-R
Response
Response
Request
t
EOF
EOF
time is
EOF

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