ICS1493-17 View Datasheet(PDF) - Integrated Circuit Systems

Part Name

Description

Manufacturer

ICS1493-17

Clock Synthesizer for Portable Systems

Integrated Circuit Systems 

PRELIMINARY INFORMATION

ICS1493-17

Clock Synthesizer for Portable Systems

.

Bit

1

2:8

9

10

11:18

19

20:27

28

29

Byte Write Protocol

Description

Start

Slave address - 7 bits

Write = 0

Acknowledge from slave

Command code — 8 bit

‘10000000’ stands for byte operation,

bits[1:0] of the command code represents

the offset of the byte to be accessed

Acknowledge from slave

Data byte from master— 8 bits

Acknowledge from slave

Stop

Bit

1

2:8

9

10

11:18

19

20

21:27

28

29

30:37

38

39

Byte Read Protocol

Description

Start

Slave address - 7 bits

Write = 0

Acknowledge from slave

Command code — 8 bit

‘10000000’ stands for byte operation, bits[1:0]

of the command code represents the offset of

the byte to be accessed

Acknowledge from slave

Repeat start

Slave address — 7 bits

Read = 1

Acknowledge from slave

Data byte from slave — 8 bits

Not Acknowledge from master

Stop

Byte 0: Vendor ID, Revision Code

Bit

@Pup

7

0

6

0

5

0

4

1

3

1

2

1

1

1

0

1

Name

Revision Code(MSB)

Revision Code

Revision Code

Revision Code(LSB)

Vendor ID(MSB)

Vendor ID

Vendor ID

Vendor ID(LSB)

Description

Revision Code

Revision Code

Revision Code

Revision Code

Vendor ID

Vendor ID

Vendor ID

Vendor ID

MDS 1493-17 A

8

Revision 101005

Integrated Circuit Systems ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201● www.icst.com

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