m24lr64-r STMicroelectronics, m24lr64-r Datasheet - Page 90

• 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

Commands codes
26.11
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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 9
Error code
8 bits
64 bits
UID
(1)
CRC16
16 bits
CRC16
16 bits
CRC16
16 bits
M24LR64-R
Response
Response
Request
EOF
EOF
EOF
t
time