M24LR64-RMB6T/2 STMicroelectronics, M24LR64-RMB6T/2 Datasheet - Page 99
![13.56MHZ 64KBIT EEPROM UFDFPN8](/photos/14/26/142612/stm_ufdfpn8_sml.jpg)
M24LR64-RMB6T/2
Manufacturer Part Number
M24LR64-RMB6T/2
Description
13.56MHZ 64KBIT EEPROM UFDFPN8
Manufacturer
STMicroelectronics
Datasheet
1.M24LR64-RMB6T2.pdf
(128 pages)
Specifications of M24LR64-RMB6T/2
Featured Product
STM32 Cortex-M3 Companion Products
Rf Type
Read / Write
Frequency
13.56MHz
Features
64 Kbit EEPROM
Package / Case
8-MLP, 8-UFDFPN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10485-2
M24LR64-RMR6T/2
M24LW64-RMB6T/2
M24LR64-RMR6T/2
M24LW64-RMB6T/2
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M24LR64-R
26.15
Lock-sector Password
On receiving the Lock-sector Password command, the M24LR64-R sets the access rights
and permanently locks the selected sector. The Option_flag is supported.
A sector is selected by giving the address of one of its blocks in the Lock-sector Password
request (Sector number field). For example, addresses 0 to 31 are used to select sector 0
and addresses 32 to 63 are used to select sector 1. Care must be taken when issuing the
Lock-sector Password command as all the blocks belonging to the same sector are
automatically locked by a single command.
The Protocol_extention_flag should be set to 1 for the M24LR64-R to operate correctly. If
the Protocol_extention_flag is at 0, the M24LR64-R answers with an error code.
During the RF write cycle W
otherwise, the M24LR64-R may not correctly lock the memory block.
The W
Table 76.
1. Gray means that the field is optional.
Request parameters:
●
●
●
Table 77.
Table 78.
Response parameter:
●
Table 79.
Request
Response
Response
SOF
SOF
SOF
b
(optional) UID
Sector number
Sector security status (refer to
No parameter.
0
7
t
time is equal to t
Request
_flags
8 bits
Lock-sector Password request format
Sector security status
Lock-sector Password response format when Error_flag is NOT set
Lock-sector Password response format when Error_flag is set
Response_
b
0
6
flags
8 bits
Response_flags
Password
sector
Lock-
B2h
8 bits
1nom
b
0
t
, there should be no modulation (neither 100% nor 10%)
5
+ 18 × 302 µs.
Doc ID 15170 Rev 12
Error code
code
Mfg
02h
IC
8 bits
Table
password control bits
b
4
77)
64 bits
UID
(1)
b
3
CRC16
number
16 bits
Sector
16 bits
Read / Write protection
CRC16
16 bits
b
2
security
Sector
status
8 bits
bits
Commands codes
b
1
CRC16
16 bits
Response
Response
Request
EOF
EOF
b
EOF
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