M24LR64-RMN6/2 STMicroelectronics, M24LR64-RMN6/2 Datasheet - Page 81
M24LR64-RMN6/2
Manufacturer Part Number
M24LR64-RMN6/2
Description
EEPROM, 64K, DUAL INTERFACE, 8SOIC
Manufacturer
STMicroelectronics
Datasheet
1.M24LR64-RDW62.pdf
(128 pages)
Specifications of M24LR64-RMN6/2
Memory Size
64Kbit
Clock Frequency
400kHz
Access Time
900ns
Supply Voltage Range
1.8V To 5V
Memory Case Style
SOIC
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Svhc
No SVHC
Memory Configuration
8192 X 8, 2048 X 32
Interface Type
I2C, Serial, 2-Wire
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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M24LR64-R
26.5
Read Multiple Block
When receiving the Read Multiple Block command, the M24LR64-R reads the selected
blocks and sends back their value in multiples of 32 bits in the response. The blocks are
numbered from '00h to '7FFh' in the request and the value is minus one (–1) in the field. For
example, if the “number of blocks” field contains the value 06h, 7 blocks are read. The
maximum number of blocks is fixed at 32 assuming that they are all located in the same
sector. If the number of blocks overlaps sectors, the M24LR64-R returns an error code.
The Protocol_extention_flag should be set to 1 for the M24LR64-R to operate correctly. If
the Protocol_extention_flag is at 0, the M24LR64-R answers with an error code.
The Option_flag is supported.
Table 44.
1. Gray means that the field is optional.
Request parameters:
●
●
●
●
Table 45.
1. Gray means that the field is optional.
2. Repeated as needed.
Response parameters:
●
●
Table 46.
Request
Response
Reserved for future
SOF
b
SOF
7
Option_flag
UID (optional)
First block number
Number of blocks
Sector security status if Option_flag is set (see
N blocks of data
use. All at 0
b
Request_
6
Response_
flags
8 bits
Read Multiple Block request format
Read Multiple Block response format when Error_flag is NOT set
Sector security status
8 bits
flags
b
5
Multiple
Block
Read
23h
control bits
b
password
4
status
security
8 bits
Sector
Doc ID 15170 Rev 11
b
(2)
3
(1)
64 bits
UID
protection bits
b
(1)
Read / Write
2
32 bits
Data
b
number
Table 46: Sector security
1
16 bits
block
First
(2)
0: Current sector not locked
1: Current sector locked
of blocks
Number
8 bits
CRC16
16 bits
Commands codes
CRC16
b
16 bits
0
status)
Response
Request
EOF
EOF
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