AS3676 datasheet(79/92 Pages) AMSCO

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AS3676

Datasheet - D e ta i l e d D e s c r i p t i o n



Read Formats

- Current-Address Read

- Random-Read

- Sequential-Read



DATA Input Delay and CLK spike filtering by integrated RC components

8.11.2 Device Address Selection

The serial interface address of the AS3676 has the following address:



80h – Write Commands



81h – Read Commands

Figure 35. Complete Serial Data Transfer

Serial Data Transfer Formats

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

Figure 36. Serial Interface Byte Write

Table 120. Serial Data Transfer Byte Definitions

Symbol

Definition

R/W (AS3676 Slave)

Note

Start Condition after Stop

1 bit

Repeated Start

1 bit

Device Address for Write

10000000b (80h).

Device Address for Read

10000001b (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

Start

Condition

Address R/W

ACK

Data

ACK

Data

ACK

Stop

Condition

DATA

CLK

1-7

reg_data

A P

Write Register

WA++

AS3675 (= Slave) receives data

AS3675 (= Slave) transmits data

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