M24LR64-RMB6T/2 STMicroelectronics, M24LR64-RMB6T/2 Datasheet - Page 63
M24LR64-RMB6T/2
Manufacturer Part Number
M24LR64-RMB6T/2
Description
13.56MHZ 64KBIT EEPROM UFDFPN8
Manufacturer
STMicroelectronics
Datasheet
1.M24LR64-RMB6T2.pdf
(128 pages)
Specifications of M24LR64-RMB6T/2
Featured Product
STM32 Cortex-M3 Companion Products
Rf Type
Read / Write
Frequency
13.56MHz
Features
64 Kbit EEPROM
Package / Case
8-MLP, 8-UFDFPN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10485-2
M24LR64-RMR6T/2
M24LW64-RMB6T/2
M24LR64-RMR6T/2
M24LW64-RMB6T/2
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M24LR64-R
19
19.1
Request format
The request consists of:
●
●
●
●
●
●
Table 23.
Request flags
In a request, the “flags” field specifies the actions to be performed by the M24LR64-R and
whether corresponding fields are present or not.
The flags field consists of eight bits. The bit 3 (Inventory_flag) of the request flag defines the
contents of the 4 MSBs (bits 5 to 8). When bit 3 is reset (0), bits 5 to 8 define the M24LR64-
R selection criteria. When bit 3 is set (1), bits 5 to 8 define the M24LR64-R Inventory
parameters.
Table 24.
1. Subcarrier_flag refers to the M24LR64-R-to-VCD communication.
2. Data_rate_flag refers to the M24LR64-R-to-VCD communication
S
O
Bit No
Bit 1
Bit 2
Bit 3
Bit 4
F
an SOF
flags
a command code
parameters and data
a CRC
an EOF
Request_flags
Subcarrier_flag
Data_rate_flag
Inventory_flag
Protocol_extension_flag
General request format
Definition of request flags 1 to 4
Flag
(2)
(1)
Command code
Doc ID 15170 Rev 12
Level
0
1
0
1
0
1
0
1
A single subcarrier frequency is used by the M24LR64-R
Two subcarrier are used by the M24LR64-R
Low data rate is used
High data rate is used
The meaning of flags 5 to 8 is described in
The meaning of flags 5 to 8 is described in
No Protocol format extension
Protocol format extension
Parameters
Description
Data
Request format
Table 25
Table 26
CRC
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O
E
F
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