7

Atmel AT24C128C [DATASHEET]

8734B–SEEPR–9/2012

Software Reset: After an interruption in protocol, power loss or system reset, any 2-wire part can be protocol reset by

following these steps:

1.

Create a Start bit condition

2.

Clock nine cycles

3.

Create another Start bit followed by stop bit condition as shown below.

The device is ready for next communication after above steps has been completed.

Figure 6-3. Software Reset

Figure 6-4. Bus Timing

SCL

SDA

9

8

3

2

1

Start

Bit

Start

Bit

Stop

Bit

Dummy Clock Cycles

SCL

SDA In

SDA Out

t

F

t

HIGH

t

LOW

t

LOW

t

R

t

AA

t

DH

t

BUF

t

SU.STO

t

SU.DAT

t

HD.DAT

t

HD.STA

t

SU.STA