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M24LR64-R-DW6T/2 数据表(PDF) 76 Page - STMicroelectronics

部件名 M24LR64-R-DW6T/2
功能描述  64 Kbit EEPROM with password protection & dual interface: 400kHz I짼C 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-DW6T/2 数据表(HTML) 76 Page - STMicroelectronics

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Commands codes
M24LR64-R
76/126
Doc ID 15170 Rev 8
26.3
Read Single Block
On receiving the Read Single Block command, the M24LR64-R reads the requested block
and sends back its 32-bit value in the response. 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. The Option_flag is supported.
Request parameters:
●
Option_flag
●
UID (optional)
●
Block number
Response parameters:
●
Sector security status if Option_flag is set (see Table 39: Sector security status)
●
4 bytes of block data
Table 37.
Read Single Block request format
Request
SOF
Request_
flags
Read Single
Block
UID(1)
1.
Gray means that the field is optional.
Block
number
CRC16
Request
EOF
8 bits
20h
64 bits
16 bits
16 bits
Table 38.
Read Single Block response format when Error_flag is NOT set
Response
SOF
Response_flags
Sector
security
status(1)
1.
Gray means that the field is optional.
Data
CRC16
Response
EOF
8 bits
8 bits
32 bits
16 bits
Table 39.
Sector security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future
use. All at 0
password
control bits
Read / Write
protection bits
0: Current sector not locked
1: Current sector locked
Table 40.
Read Single Block 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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