MDS1526 P

7

Revision 051310

Integrated Device Technology, Inc. www.idt. com Tech Support: www.idt.com/go/clockhelp

(IDT™/ICS™)

Section 4 Programming

ICS1526 Data Sheet

Section 4 Programming

4.1 Industry-Standard I2C Serial Bus: Data Format

Figure 4-1 ICS1526 Data Format for I2C 2-Wire Serial Bus

Notes:

The ICS1526 uses 16-byte pages (00h-0Fh is the first page, 10h-1Fh is the second page). Writing or reading

beyond the end of page yields undefined results.

The ICS1526 has a device address of 010011B, where B is the state of the I2CADR pin.

S

T

A

R

T

0 A

C

K

A

C

K

A

C

K

Single/m ultiple register w rite (page w rite)

W ord address

D ata (0)

A

C

K

D ata (n)

S

T

O

P

...

S

T

A

R

T

0 A

C

K

A

C

K

A

C

K

S ingle/m ultiple register read

W ord address

D ata (0)

D ata (n)

S

T

O

P

...

1 A

C

K

N

O

A

C

K

S

T

A

R

T

A

C

K

S equential single/m ultiple register read

Data (0)

Data (n)

S

T

O

P

...

1 A

C

K

N

O

A

C

K

S

T

A

R

T

0 1 0 0 1 1 B

D evice address

D evice address

D evice address

D evice address

0 1 0 0 1 1 B

0 1 0 0 1 1 B

0 1 0 0 1 1 B

M aster drives line

S lave drives line