M24LR04E-RDW6T/2 STMicroelectronics, M24LR04E-RDW6T/2 Datasheet - Page 115
M24LR04E-RDW6T/2
Manufacturer Part Number
M24LR04E-RDW6T/2
Description
EEPROM 4-Kbit Dual EEPROM 1.8 to 5.5V 13.56Mhz
Manufacturer
STMicroelectronics
Datasheet
1.M24LR04E-RDW6T2.pdf
(142 pages)
Specifications of M24LR04E-RDW6T/2
Product Category
EEPROM
Memory Size
4 Kbit
Maximum Clock Frequency
400 KHz
Maximum Operating Current
20 uA
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
TSSOP-8
Factory Pack Quantity
1
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Part Number
Manufacturer
Quantity
Price
Part Number:
M24LR04E-RDW6T/2
Manufacturer:
ST
Quantity:
20 000
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M24LR04E-R
26.23
ReadCfg
On receiving the ReadCfg command, the M24LR04E-R reads the Configuration byte and
sends back its 8-bit value in the response.
The Protocol_extension_flag should be set to 0 for the M24LR04E-R to operate correctly. If
the Protocol_extension_flag is at 1, the M24LR04E-R answers with an error code. The
Option_flag is not supported. The Inventory_flag must be set to 0.
Table 102. ReadCfg request format
1. Gray means that the field is optional.
Request parameters:
Table 103. ReadCfg response format when Error_flag is NOT set
Response parameters:
Table 104. ReadCfg response format when Error_flag is set
Response parameter:
Figure 74. ReadCfg frame exchange between VCD and M24LR04E-R
Response
Request
Response SOF
M24LR04E-R
SOF
SOF
UID (optional)
One byte of data: Configuration byte
Error code as Error_flag is set
–
–
VCD
03h: the option is not supported
0Fh: error with no information given
Request_
8 bits
flags
Response_
8 bits
flags
SOF
Response_flags
ReadCfg
A0h
ReadCfg request
8 bits
Error code
Doc ID 022208 Rev 5
8 bits
IC Mfg code
02h
EOF
8 bits
Data
<-t
1
-> SOF ReadCfg response EOF
64 bits
UID
CRC16
16 bits
(1)
CRC16
16 bits
CRC16
16 bits
Command codes
Response
Response
EOF
Request
EOF
EOF
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