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M23LR64-R-DW6T/2 Fiches technique(PDF) 16 Page - STMicroelectronics

No de pièce M23LR64-R-DW6T/2
Description  64 Kbit EEPROM with password protection & dual interface: 400kHz I²C serial bus & ISO 18000-3 mode 1 RF protocol at 13.56MHz
PDF  126 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M23LR64-R-DW6T/2 Fiches technique(HTML) 16 Page - STMicroelectronics

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Signal description
M24LR64-R
16/126
Doc ID 15170 Rev 9
Figure 5.
I2C bus protocol
Table 2.
Device select code
Device type identifier(1)
1.
The most significant bit, b7, is sent first.
Chip Enable address(2)
2.
E0 and E1 are compared against the respective external pins on the memory device.
RW
b7
b6
b5
b4
b3
b2
b1
b0
Device select code
1010
E2(3)
3.
E2 is not connected to any external pin. It is however used to address the M24LR64-R as described in
Section 3 and Section 4.
E1
E0
RW
Table 3.
Address most significant byte
b15
b14
b13
b12
b11
b10
b9
b8
Table 4.
Address least significant byte
b7
b6
b5
b4
b3
b2
b1
b0
SCL
SDA
SCL
SDA
SDA
Start
Condition
SDA
Input
SDA
Change
AI00792B
Stop
Condition
1
23
7
89
MSB
ACK
Start
Condition
SCL
1
23
7
89
MSB
ACK
Stop
Condition



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