ICS94229 datasheet(4/17 Pages) ICST

4 / 17 page

ICS94229

Advance Information

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How to Read:

• Controller (host) will send start bit.

• Controller (host) sends the read address D3

(H)

• ICS clock will acknowledge

• ICS clock will send the byte count

• Controller (host) acknowledges

• ICS clock sends Byte 0 through byte 6 (default)

• ICS clock sends Byte 0 through byte X (if X

(H) was

written to byte 6).

• Controller (host) will need to acknowledge each byte

• Controller (host) will send a stop bit

General I

2C serial interface information

How to Write:

• Controller (host) sends a start bit.

• Controller (host) sends the write address D2

(H)

• ICS clock will acknowledge

• Controller (host) sends a dummy command code

• ICS clock will acknowledge

• Controller (host) sends a dummy byte count

• ICS clock will acknowledge

• Controller (host) starts sending Byte 0 through Byte 16

(see Note 2)

• ICS clock will acknowledge each byte one at a time

• Controller (host) sends a Stop bit

*See notes on the following page.

Controller (Host)

ICS (Slave/Receiver)

Start Bit

Address D2(H)

ACK

Dummy Command Code

ACK

Dummy Byte Count

ACK

Byte 0

ACK

Byte 1

ACK

Byte 2

ACK

Byte 3

ACK

Byte 4

ACK

Byte 5

ACK

Byte 6

ACK

Byte 14

ACK

Byte 15

ACK

Byte 16

ACK

Stop Bit

How to Write:

Controller (Host)

ICS (Slave/Receiver)

Start Bit

Address D3(H)

ACK

Byte Count

ACK

Byte 0

ACK

Byte 1

ACK

Byte 2

ACK

Byte 3

ACK

Byte 4

ACK

Byte 5

ACK

Byte 6

ACK

If 7H has been written to B6

Byte 7

ACK

If 1AH has been written to B6

Byte 14

ACK

If 1BH has been written to B6

Byte 15

ACK

If 1CH has been written to B6

Byte 16

ACK

Stop Bit

How to Read:

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