M24LR04E-RMC6T/2 STMicroelectronics, M24LR04E-RMC6T/2 Datasheet - Page 84
M24LR04E-RMC6T/2
Manufacturer Part Number
M24LR04E-RMC6T/2
Description
EEPROM 4-Kbit EEProm 400kHz 13.56Mhz 1.8 to 5.5V
Manufacturer
STMicroelectronics
Datasheet
1.M24LR04E-RDW6T2.pdf
(142 pages)
Specifications of M24LR04E-RMC6T/2
Rohs
yes
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Command codes
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Figure 54. Read Single Block frame exchange between VCD and M24LR04E-R
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Read Single 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.
Write Single Block
On receiving the Write Single Block command, the M24LR04E-R writes the data contained
in the request to the requested block and reports whether the write operation was
successful in the response. The Protocol_extension_flag should be set to 0 for the
M24LR04E-R to operate correctly.
During the RF write cycle W
otherwise, the M24LR04E-R may not program correctly the data into the memory. The W
time is equal to t
Table 44.
1. Gray means that the field is optional.
Request parameters:
Table 45.
Response parameter:
Request
M24LR04E-R
Response SOF
SOF
VCD
Request flags
UID (optional)
Block number
Data
No parameter. The response is send back after the writing cycle.
Request_
8 bits
flags
Write Single Block request format
Write Single Block response format when Error_flag is NOT set
SOF
1nom
Response_flags
Single
+ 18 × 302 µs.
Block
Write
Read Single Block
21h
8 bits
request
t
, there should be no modulation (neither 100% nor 10%),
Doc ID 022208 Rev 5
64 bits
UID
(1)
EOF
<-t
CRC16
number
1
16 bits
Block
-> SOF
8 bits
Read Single Block
32 bits
Data
response
CRC16
Response EOF
16 bits
M24LR04E-R
EOF
Request
EOF
t
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