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M24LR64E-R Datasheet(PDF) 99 Page - STMicroelectronics

Part # M24LR64E-R
Description  64-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  140 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR64E-R Datasheet(HTML) 99 Page - STMicroelectronics

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M24LR64E-R
Command codes
Doc ID 022712 Rev 3
99/140
Response parameter:
●
Error code as Error_flag is set:
–
03h: Option not supported
.
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Get System Info command to the end of the M24LR64E-R response.
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
26.13
Get Multiple Block Security Status
When receiving the Get Multiple Block Security Status command, the M24LR64E-R sends
back the sector security status. The blocks are numbered from 00h to 01FFh in the request
and the value is minus one (–1) in the field. For example, a value of '06' in the “Number of
blocks” field requests to return the security status of seven blocks.
The Protocol_extension_flag should be set to 1 for the M24LR64E-R to operate correctly. If
the Protocol_extension_flag is at 0, the M24LR64E-R answers with an error code.
During the M24LR64E-R response, if the internal block address counter reaches 01FFh, it
rolls over to 0000h and the Sector Security Status bytes for that location are sent back to the
reader.
Request parameter:
●
Request flags
●
UID (optional)
●
First block number
●
Number of blocks
Figure 65.
Get System Info frame exchange between VCD and M24LR64E-R
VCD
SOF
Get System Info
request
EOF
M24LR64E-R
<-t1-> SOF
Get System Info
response
EOF
Table 73.
Get Multiple Block Security Status request format
Request
SOF
Request
_flags
Get
Multiple
Block
Security
Status
UID(1)
1.
Gray color means that the field is optional.
First
block
number
Number
of blocks
CRC16
Request
EOF
8 bits
2Ch
64 bits
16 bits
16 bits
16 bits



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