24512 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

24512

512-Kbit serial I²C bus EEPROM

STMicroelectronics 

M24512-R, M24512-W, M24512-DR

Figure 6. I2C bus protocol

SCL

SDA

Start

condition

SDA

Input

SDA

Change

Signal description

Stop

condition

SCL

SDA

1

2

3

MSB

Start

condition

7

8

9

ACK

SCL

1

2

3

7

8

9

SDA

MSB

ACK

Stop

condition

AI00792c

Table 2.

Device select code (for memory array)

Device type identifier(1)

Chip Enable address(2) RW

b7

b6

b5

b4

b3

b2

b1

b0

Device select code

1

0

1

0

E2

E1

E0

RW

1. The most significant bit, b7, is sent first.

2. E0, E1 and E2 are compared against the respective external pins on the memory device.

Table 3.

Device select code to access the Identification page (M24512-DR only)

Device type identifier(1)

Chip Enable address(2) RW

b7

b6

b5

b4

b3

b2

b1

b0

Device select code

1

0

1

1

E2

E1

E0

RW

1. The most significant bit, b7, is sent first.

2. E0, E1 and E2 are compared against the respective external pins on the memory device.

Doc ID 16459 Rev 19

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