M24LR64-RDW6T2 STMICROELECTRONICS [STMicroelectronics], M24LR64-RDW6T2 Datasheet - Page 2
M24LR64-RDW6T2
Manufacturer Part Number
M24LR64-RDW6T2
Description
64 Kbit EEPROM with password protection & dual interface
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M24LR64-RDW6T2.pdf
(128 pages)
- Current page: 2 of 128
- Download datasheet (2Mb)
Contents
Contents
1
2
3
4
5
2/128
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.1
2.2
2.3
2.4
2.5
2.6
User memory organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
System memory area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1
4.2
4.3
4.4
4.5
I
5.1
5.2
5.3
5.4
5.5
5.6
5.7
2
C device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Supply voltage (V
Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chip Enable (E0, E1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Antenna coil (AC0, AC1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
V
2.6.1
2.6.2
2.6.3
2.6.4
M24LR64-R RF block security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Example of the M24LR64-R security protection . . . . . . . . . . . . . . . . . . . . 25
I2C_Write_Lock bit area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
System parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
M24LR64-R I
4.5.1
4.5.2
Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Data Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Memory addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SS
ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Operating supply voltage V
Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power-down conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
I
I
2
2
C Present Password command description . . . . . . . . . . . . . . . . . . . . 27
C Write Password command description . . . . . . . . . . . . . . . . . . . . . . 28
2
C password security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
CC
Doc ID 15170 Rev 10
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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