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M24C32-FDW6TP датащи(PDF) 13 Page - STMicroelectronics

номер детали M24C32-FDW6TP
подробное описание детали  32-Kbit serial I짼C bus EEPROM
PDF  40 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24C32-FDW6TP датащи(HTML) 13 Page - STMicroelectronics

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M24C32-W M24C32-R M24C32-F M24C32-X M24C32-DF
Device operation
Doc ID 4578 Rev 21
13/40
4.5
Device addressing
To start communication between the bus master and the slave device, the bus master must
initiate a Start condition. Following this, the bus master sends the device select code, shown
in Table 2 (on Serial Data (SDA), most significant bit first).
When the device select code is received, the device only responds if the Chip Enable
address is the same as the value on its Chip Enable E2,E1,E0 inputs.
The 8th bit is the Read/Write bit (RW). This bit is set to 1 for Read and 0 for Write operations.
If a match occurs on the device select code, the corresponding device gives an
acknowledgment on Serial Data (SDA) during the 9th bit time. If the device does not match
the device select code, the device deselects itself from the bus, and goes into Standby
mode.
Table 2.
Device select code
Device type identifier(1)
1.
The most significant bit, b7, is sent first.
Chip Enable address(2)
2.
E0, E1 and E2 are compared .
RW
b7
b6
b5
b4
b3
b2
b1
b0
Device select code
when addressing the
memory array
1010
E2
E1
E0
RW
Device select code
when accessing the
Identification page
1011
E2
E1
E0
RW



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