Datasheet > 9FGP204BKLFT

9FGP204BKLFT

更新时间： 2022-09-27 10:18:21

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
18页	171K
描述
Frequency Timing Generator for Peripherals

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9FGP204BKLFT 数据手册

9FGP204

Frequency Timing Generator for Peripherals

General SMBus serial interface information for the 9FGP204

How to Write:

How to Read:

• Controller (host) will send start bit.

• Controller (host) sends the write address D0_(H)

• ICS clock will acknowledge

• Controller (host) sends a start bit.

• Controller (host) sends the write address D0_(H)

• ICS clock will acknowledge

• Controller (host) sends the beginning byte location = N

• ICS clock will acknowledge

• Controller (host) sends the begining byte

location = N

• ICS clock will acknowledge

• Controller (host) sends the data byte count = X

• ICS clock will acknowledge

• Controller (host) starts sending Byte N through

Byte N + X -1

• Controller (host) will send a separate start bit.

• Controller (host) sends the read address D1_(H)

• ICS clock will acknowledge

• ICS clock will acknowledge each byte one at a time

• Controller (host) sends a Stop bit

• ICS clock will send the data byte count = X

• ICS clock sends Byte N + X -1

• ICS clock sends Byte 0 through byte X (if X_(H)

was written to byte 8).

• Controller (host) will need to acknowledge each byte

• Controller (host) will send a not acknowledge bit

• Controller (host) will send a stop bit

Index Block Write Operation

Index Block Read Operation

Controller (Host)

ICS (Slave/Receiver)

starT bit

Slave Address *D0_(H)

WRite

Beginning Byte = N

Data Byte Count = X

Beginning Byte N

ACK

Beginning Byte = N

Repeat starT

Slave Address *D1_(H)

ReaD

ACK

Data Byte Count = X

Beginning Byte N

ACK

Byte N + X - 1

ACK

stoP bit

Byte N + X - 1

Not acknowledge

stoP bit

* The SMBus address depends on the latched value of pin 22.

Please see SMBus Address Selection table on page 1.

IDT^®Frequency Timing Generator for Peripherals

1604B—08/29/11

1...9 10 111213 14 15...18

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