M24M01-DF_12 datasheet(20/38 Pages) STMICROELECTRONICS

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Instructions

M24M01-R M24M01-DF

20/38

Doc ID 12943 Rev 10

5.2

Read operations

Read operations are performed independently of the state of the Write Control (WC) signal.

After the successful completion of a Read operation, the device internal address counter is

incremented by one, to point to the next byte address.

For the Read instructions, after each byte read (data out), the device waits for an

acknowledgment (data in) during the 9th bit time. If the bus master does not acknowledge

during this 9th time, the device terminates the data transfer and switches to its Standby

mode.

Figure 10.

Read mode sequences

Dev sel *

Byte addr

Dev sel

Data out 1

AI01105d

Data out N

Current

Address

Read

Dev sel

Data out

Random

Address

Read

Dev sel *

Data out

Sequential

Current

Read

Data out N

Dev sel *

Byte addr

Sequention

Random

Read

Dev sel *

Data out1

ACK

R/W

NO ACK

ACK

R/W

ACK

R/W

ACK

NO ACK

R/W

NO ACK

ACK

R/W

ACK

R/W

ACK

NO ACK

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