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M24LR04E-R 数据表(PDF) 89 Page - STMicroelectronics

部件名 M24LR04E-R
功能描述  4-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  142 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M24LR04E-R 数据表(HTML) 89 Page - STMicroelectronics

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M24LR04E-R
Command codes
Doc ID 022208 Rev 5
89/142
Response parameter:
●
Error code as Error_flag is set:
–
0Fh: error with no information given
–
10h: the specified block is not available
–
15h: the specified block is read-protected
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Read Multiple Block command to the end of the M24LR04E-R response.
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
26.6
Select
When receiving the Select command:
●
If the UID is equal to its own UID, the M24LR04E-R enters or stays in the Selected
state and sends a response.
●
If the UID does not match its own, the selected M24LR04E-R returns to the Ready
state and does not send a response.
The M24LR04E-R answers an error code only if the UID is equal to its own UID. If not, no
response is generated. If an error occurs, the M24LR04E-R remains in its current state.
Request parameter:
●
UID
Figure 58.
Read Multiple Block frame exchange between VCD and M24LR04E-R
VCD
SOF
Read Multiple
Block request
EOF
M24LR04E-R
<-t1-> SOF
Read Multiple
Block response
EOF
Table 51.
Select request format
Request
SOF
Request_
flags
Select
UID
CRC16
Request
EOF
8 bits
25h
64 bits
16 bits
Table 52.
Select Block response format when Error_flag is NOT set
Response
SOF
Response_flags
CRC16
Response
EOF
8 bits
16 bits



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