M24LR64-RDW6T2 STMICROELECTRONICS [STMicroelectronics], M24LR64-RDW6T2 Datasheet - Page 87

• Manufacturer Part Number: M24LR64-RDW6T2
• Description: 64 Kbit EEPROM with password protection & dual interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M24LR64-R
26.9
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 10
8 bits
64 bits
UID
(1)
CRC16
16 bits
CRC16
16 bits
CRC16
16 bits
Commands codes
Response
Response
Request
t
EOF
EOF
time is
EOF
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