LAN9353 Datasheet, PDF (344/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
Figure 11-4 illustrates a typical single and multiple register write.
FIGURE 11-4:
I²C SLAVE WRITES
S
S
A
6
Control Byte
SSSSSS
AAAAAA
543210
0
A
C
K
A
9
Address Byte
AAAAAA
876543
A
2
A
C
K
D
3
1
Data Byte
DDDSD
32222
09876
D
2
5
D
2
4
A
C
K
... ^{Data Byte...}
DDDD
2222
3210
...Data Byte
DDDDD
54321
D
0
A
C
K
P
Single Register Write
S
S
A
6
Control Byte
SSSSSS
AAAAAA
543210
0
A
C
K
A
9
Address Byte
AAAAAA
876543
A
2
A
C
K
... ^{Data 1 Byte}
DD
33
DD
22
10
54
...^{...Data m Byte}
A
C
K
DDDDD
54321
D
0
A
C
K
... ^{Data m+1 Byte...}
DDDDDDD
3322222
1098765
...Data n Byte
DDDDD
54321
D
0
A
C
K
P
Multiple Register Writes
DS00001925A-page 344
 2015 Microchip Technology Inc.