m24lr64-r STMicroelectronics, m24lr64-r Datasheet - Page 16

• Manufacturer Part Number: m24lr64-r
• Description: 64 Kbit Eeprom With Password Protection & Dual Interface 400 Khz I?c Serial Bus & Iso 15693 Rf Protocol At 13.56 Mhz
• Manufacturer: STMicroelectronics

Signal description
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Figure 5.
Table 2.
1. The most significant bit, b7, is sent first.
2. E0 and E1 are compared against the respective external pins on the memory device.
3. E2 is not connected to any external pin. It is however used to address the M24LR64-R as described in
Table 3.
Table 4.
Device select code
b15
b7
Section 3
SCL
SDA
SCL
SDA
SCL
SDA
and
Condition
b6
b14
I
Device select code
Address most significant byte
Address least significant byte
Start
2
C bus protocol
Section
MSB
Condition
1
4.
Start
MSB
b5
b13
1
b7
1
Device type identifier
2
Doc ID 15170 Rev 9
2
b6
0
b4
b12
Input
SDA
3
3
b5
1
Change
SDA
b11
b3
(1)
b4
0
7
Chip Enable address
b2
b10
E2
7
b3
(3)
8
8
b2
E1
b1
b9
ACK
9
Condition
ACK
Stop
9
b1
E0
(2)
Condition
M24LR64-R
Stop
b0
b8
AI00792B
RW
RW
b0