8

FN8249.0

April 28, 2005

SCL from

Master

Data Output

from Transmitter

Data Output

from Receiver

8

19

Start

Acknowledge

FIGURE 5. ACKNOWLEDGE RESPONSE FROM RECEIVER

S

t

a

r

t

S

t

o

p

Slave

Address

Word

Address 1

Data

A

C

K

A

C

K

A

C

K

SDA Bus

Signals from

the Slave

Signals from

the Master

0

A

C

K

Word

Address 0

1

1

1

10 0 0 0 0

FIGURE 6. BYTE WRITE SEQUENCE

Address

Address

40

23 Bytes

63

7 Bytes

Address

= 6

Address Pointer

Ends Here

Addr = 7

FIGURE 7. WRITING 30 BYTES TO A 64-BYTE PAGE STARTING AT ADDRESS 40.

Word

Address 0

S

t

a

r

t

S

t

o

p

Slave

Address

Word

Address 1

Data

(n)

A

C

K

A

C

K

SDA Bus

Signals from

the Slave

Signals from

the Master

0

Data

(1)

(1

n

64)

1

1

1

1

0 00 00

A

C

K

A

C

K

FIGURE 8. PAGE WRITE SEQUENCE

X1243