M24C01-FBN6G 데이터 시트보기 (PDF) - STMicroelectronics

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M24C01-FBN6G

1-Kbit and 2-Kbit serial I²C bus EEPROMs

STMicroelectronics 

Device operation

M24C01/02-W M24C01/02-R M24C02-F

4

Device operation

The device supports the I2C protocol. This is summarized in Figure 4. Any device that sends

data on to the bus is defined to be a transmitter, and any device that reads the data to be a

receiver. The device that controls the data transfer is known as the bus master, and the

other as the slave device. A data transfer can only be initiated by the bus master, which will

also provide the serial clock for synchronization. The device is always a slave in all

communications.

Figure 4. I2C bus protocol

SCL

SDA

START

Condition

SDA

Input

SDA

Change

STOP

Condition

SCL

SDA

1

2

3

MSB

START

Condition

SCL

SDA

1

2

3

MSB

7

8

9

ACK

7

8

9

ACK

STOP

Condition

AI00792B

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DocID024020 Rev 2

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