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M24LR16E-R 数据表(PDF) 93 Page - STMicroelectronics

部件名 M24LR16E-R
功能描述  16-bit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  143 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M24LR16E-R 数据表(HTML) 93 Page - STMicroelectronics

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M24LR16E-R
Command codes
Doc ID 018932 Rev 8
93/143
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Reset to ready command to the end of the M24LR16E-R response.
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
26.8
Write AFI
On receiving the Write AFI request, the M24LR16E-R programs the 8-bit AFI 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 M24LR16E-R may not write correctly the AFI value into the memory. The Wt
time is equal to t1nom + 18 × 302 µs.
Request parameter:
●
Request flags
●
UID (optional)
●
AFI
Response parameter:
●
No parameter
Response parameter:
●
Error code as Error_flag is set
–
12h: the specified block is locked and its contents cannot be changed
–
13h: the specified block was not successfully programmed
Table 57.
Write AFI request format
Request
SOF
Request
_flags
Write
AFI
UID(1)
1.
Gray means that the field is optional.
AFI
CRC16
Request
EOF
8 bits
27h
64 bits
8 bits
16 bits
Table 58.
Write AFI response format when Error_flag is NOT set
Response
SOF
Response_flags
CRC16
Response
EOF
8 bits
16 bits
Table 59.
Write AFI 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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