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M24LR64-R 数据表(PDF) 88 Page - STMicroelectronics

部件名 M24LR64-R
功能描述  64 Kbit EEPROM with password protection & dual interface: 400kHz I²C serial bus & ISO 18000-3 mode 1 RF protocol at 13.56MHz
PDF  126 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M24LR64-R 数据表(HTML) 88 Page - STMicroelectronics

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Commands codes
M24LR64-R
88/126
Doc ID 15170 Rev 9
26.10
Write DSFID
On receiving the Write DSFID request, the M24LR64-R programs the 8-bit DSFID value to
its memory. The Option_flag is supported.
During the RF write cycle Wt, there should be no modulation (neither 100% nor 10%).
Otherwise, the M24LR64-R may not write correctly the DSFID value in memory. The Wt time
is equal to t1nom + 18 × 302 µs.
Request parameter:
●
UID (optional)
●
DSFID
Response parameter:
●
No parameter
Response parameter:
●
Error code as Error_flag is set
–
03h: the option is not supported
–
0Fh: error with no information given
–
12h: the specified block is locked and its contents cannot be changed.
–
13h: the specified block was not successfully programmed
Table 60.
Write DSFID request format
Request
SOF
Request_
flags
Write
DSFID
UID(1)
1.
Gray means that the field is optional.
DSFID
CRC16
Request
EOF
8 bits
29h
64 bits
8 bits
16 bits
Table 61.
Write DSFID response format when Error_flag is NOT set
Response
SOF
Response_flags
CRC16
Response
EOF
8 bits
16 bits
Table 62.
Write DSFID response format when Error_flag is set
Response
SOF
Response_flags
Error code
CRC16
Response
EOF
8 bits
8 bits
16 bits



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