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M24LR04E-R Datasheet(PDF) 81 Page - STMicroelectronics

Part # M24LR04E-R
Description  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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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR04E-R Datasheet(HTML) 81 Page - STMicroelectronics

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M24LR04E-R
Command codes
Doc ID 022208 Rev 5
81/142
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
Figure 52.
M24LR04E RF-Busy management following Inventory command
MS19767V2
S
O
F
Inventory
command
E
O
F
E
O
F
Slot 1
S
O
F
Ireply
M24LR04E
E
O
F
E
O
F
E
O
F
Slot n
1) M24LR04E replies in slot n. RF_Busy is released after M24LR04E response.
RF_Busy
S
O
F
Inventory
command
E
O
F
E
O
F
Slot 1
E
O
F
Slot n
2) Slot n never occurs. RF_Busy is only released by Power-off.
Power-off
RF_Busy
S
O
F
Inventory
command
E
O
F
E
O
F
Slot 1
3) VCD sends a Valid command before slot n. RF_Busy is released after M24LR04E
response.
RF_Busy
S
O
F
Inventory
command
E
O
F
E
O
F
Slot 1
4) VCD sends a Bad command (unknown command code, false CRC...) before
slot n. RF_Busy is released after VCD command.
RF_Busy
S
O
F
INew
command
E
O
F
S
O
F
Ireply
M24LR04E
E
O
F
S
O
F
IBad
command
E
O
F



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