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M24LR64-RMB6T2 数据表(PDF) 93 Page - STMicroelectronics

部件名 M24LR64-RMB6T2
功能描述  64 Kbit EEPROM with password protection & dual interface
PDF  128 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M24LR64-RMB6T2 数据表(HTML) 93 Page - STMicroelectronics

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M24LR64-R
Commands codes
Doc ID 15170 Rev 10
93/128
26.12
Get System Info
When receiving the Get System Info command, the M24LR64-R sends back its information
data in the response.The Option_flag is supported and must be reset to 0. The Get System
Info can be issued in both Addressed and Non Addressed modes.
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.
Request parameter:
●
UID (optional)
Response parameters:
●
Information flags set to 0Fh. DSFID, AFI, Memory Size and IC reference fields are
present
●
UID code on 64 bits
●
DSFID value
●
AFI value
●
Memory size. The M24LR64-R provides 2048 blocks (07FFh) of 4 byte (03h)
●
IC reference. Only the 6 MSB are significant.
Response parameter:
●
Error code as Error_flag is set:
–
03h: Option not supported
–
0Fh: other error
Table 66.
Get System Info request format
Request
SOF
Request
_flags
Get System
Info
UID(1)
1.
Gray means that the field is optional.
CRC16
Request
EOF
8 bits
2Bh
64 bits
16 bits
Table 67.
Get System Info response format when Error_flag is NOT set
Response
SOF
Response
_flags
Information
flags
UID
DSFID AFI
Memory
Size
IC
reference
CRC16
Response
EOF
00h
0Fh
64 bits
8 bits 8 bits 0307FFh
2Ch
16 bits
Table 68.
Get System Info response format when Error_flag is set
Response
SOF
Response_flags
Error code
CRC16
Response
EOF
01h
8 bits
16 bits



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