AS3701 datasheet(55/110 Pages) AMSOSRAM

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[v1-11] 2016-Dec-14

AS3701 − Detailed Description – System Functions

I²C Protocol

Figure 59:

I²C Symbol Definition

I²C Write Access

Byte Write and Page Write formats are used to write data to the

slave.

Figure 60:

I²C Byte Write

Figure 61:

I²C Page Write

Symbol

Definition

Note

Start condition after Stop

1 bit

Repeated Start

1 bit

Device address for Write

1000 0000b (80h)

Device address for Read

1000 0001b (81h)

Word address

8 bit

AAcknowledge

1 bit

NNo Acknowledge

1 bit

reg_data

8 bit

data (n)

8 bit

Stop condition

1 bit

WA++

Increment word address internally

During acknowledge

reg_data

A P

SDW

write register

WA++

reg_data 2

...

reg_data n

SDW

write register

WA++

write register

WA++

write register

WA++

reg_data 1

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