ICS1527 Data Sheet
Section 4 Programming
Section 4
Programming
4.1 Industry-Standard I
2
C Serial Bus: Data Format
Figure 4-1
ICS1527 Data Format for I
2
C 2-Wire Serial Bus
D ata (0)
A
C
K
A
C
K
...
D ata (n)
A S
C T
K O
P
S ingle/m ultiple register w rite (page w rite)
D evice address
W ord address
S 0 1 0 0 1 1 B 0 A
T
C
A
K
R
T
S ingle/m ultiple register read
D evice address
S 0 1 0 0 1 1 B 0 A
T
C
A
K
R
T
S equ ential single/m u ltiple register read
D evice address
S 0 1 0 0 1 1 B 1 A
T
C
A
K
R
T
D ata (0)
W ord address
D evice address
A S 0 1 0 0 1 1 B 1 A
C T
C
K A
K
R
T
D ata (0)
A
C
K
...
D ata (n)
N
O
A
C
K
S
T
O
P
D ata (n)
A
C
K
...
N
O
A
C
K
S
T
O
P
M aster drives line
S lave drives line
Notes:
The ICS1527 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 ICS1527 has a device address of 010011B, where B is the state of the I2CADR pin.
MDS1527 G
7
Revision 110905
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IDT [ INTEGRATED DEVICE TECHNOLOGY ]
