M24LR64-RDW6T2 STMICROELECTRONICS [STMicroelectronics], M24LR64-RDW6T2 Datasheet - Page 91

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

M24LR64-R
26.11
Lock DSFID
On receiving the Lock DSFID request, the M24LR64-R locks the DSFID value permanently.
The Option_flag is supported.
During the RF write cycle W
Otherwise, the M24LR64-R may not lock correctly the DSFID value in memory. The W
is equal to t
Table 63.
1. Gray means that the field is optional.
Request parameter:
●
Table 64.
Response parameter:
●
Table 65.
Response parameter:
●
Response
Request
Response
SOF
SOF
SOF
UID (optional)
No parameter.
Error code as Error_flag is set:
–
–
–
–
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_
1nom
Response_flags
8 bits
Lock DSFID request format
flags
Lock DSFID response format when Error_flag is NOT set
Lock DSFID response format when Error_flag is set
Response_flags
+ 18 × 302 µs.
8 bits
8 bits
DSFID
Lock
2Ah
t
, there should be no modulation (neither 100% nor 10%).
Doc ID 15170 Rev 10
Error code
8 bits
64 bits
UID
(1)
CRC16
16 bits
CRC16
16 bits
CRC16
16 bits
Commands codes
Response
Response
Request
EOF
EOF
EOF
91/128
t
time