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M24LR64-R 数据表(PDF) 103 Page - STMicroelectronics

部件名 M24LR64-R
功能描述  64 Kbit EEPROM with password protection & dual interface: 400 kHz I²C serial bus & ISO 15693 RF protocol at 13.56 MHz
PDF  128 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) 103 Page - STMicroelectronics

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M24LR64-R
Commands codes
Doc ID 15170 Rev 14
103/128
26.17
Fast Read Single Block
On receiving the Fast Read Single Block command, the M24LR64-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_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.
Request parameters:
●
Option_flag
●
UID (optional)
●
Block number
Response parameters:
●
Sector security status if Option_flag is set (see Table 85)
●
4 bytes of block data
Table 83.
Fast Read Single Block request format
Request
SOF
Request_
flags
Fast Read
Single
Block
IC Mfg
code
UID(1)
1.
Gray means that the field is optional.
Block
number
CRC16
Request
EOF
8 bits
C0h
02h
64 bits
16 bits
16 bits
Table 84.
Fast 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 85.
Sector security status
b7
b6
b5
b4
b3
b2
b1
b0
Reserved for future used. All
at 0
password control
bits
Read / Write
protection bits
0: Current sector not locked
1: Current sector locked
Table 86.
Fast 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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