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M24LR64E-R Folha de dados(PDF) 105 Page - STMicroelectronics

Nome de Peças M24LR64E-R
Descrição Electrónicos  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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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR64E-R Folha de dados(HTML) 105 Page - STMicroelectronics

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M24LR64E-R
Command codes
Doc ID 022712 Rev 3
105/140
Response parameter:
●
Error code as Error_flag is set:
–
10h: the password number is incorrect
–
0Fh: the present password is incorrect
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Present Sector Password command to the end of the M24LR64E-R response.
When configured in the RF write in progress mode, the RF WIP/BUSY remains in high-Z
state.
26.17
Fast Read Single Block
On receiving the Fast Read Single Block command, the M24LR64E-R reads the requested
block and sends back its 32-bit value in the response. The Option_flag is supported. The
data rate of the response is multiplied by 2.
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.
The subcarrier_flag should be set to 0, otherwise the M24LR64E-R answers with an error
code.
Figure 69.
Present-sector Password frame exchange between VCD and M24LR64E-R
VCD
SOF
Present-
sector
password
response
OR error
0F (bad
password)
EOF
M24LR64E-R
<-t1-> SOF
Present-
sector
password
response
EOF
sequence when
error
M24LR64E-R
<---------------- Wt ------------> SOF
Present-
sector
password
response
EOF
Table 87.
Fast Read Single Block request format
Request
SOF
Request_
flags
Fast Read
Single
Block
IC Mfg
code
UID(1)
Block
number
CRC16
Request
EOF
8 bits
C0h
02h
64 bits
16 bits
16 bits



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