C11 datasheet(59/72 Pages) AMSOSRAM

59 / 72 page

AS3688

austriami crosyst ems

Datasheet, Confidential

www.austriamicrosystems.com (ptr,tje)

Revision 1.1.1 / 20060707

57 - 70

80h – Write Commands

81h – Read Commands

Figure

33 – Complete Serial Data Transfer

Start

Condition

Address

R/W

ACK

Data

ACK

Data

ACK

Stop

Condition

DATA

CLK

1-7

7.10.2.1

Serial Data Transfer Formats

Definitions used in the serial data transfer format diagrams are listed in the following table:

Table 25 – Serial Data Transfer Byte Definitions

Symbol

Definition

R/W ( AS3688 Slave)

Notes

Start Condition after Stop

1 bit

Repeated Start

1 bit

Device Address for Write

10000010b (80h).

Device Address for Read

10000011b (81h)

Word Address

8 bits

Acknowledge

1 bit

Not Acknowledge

1 bit

reg_data

8 bits

data (n)

1 bit

Stop Condition

8 bits

WA++

Increment Word Address Internally

During Acknowledge

Figure 34 – Serial Interface Byte Write

reg_data

A P

Write Register

WA++

AS3688 (= Slave) receives data

AS3688 (= Slave) transmits data

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