Datasheet

Data Sheet ADV7342/ADV7343
Rev. | Page 29 of 108
SDA
SCL
START ADDR R/W ACK SUBADDRESS ACK DATA ACK STOP
1–7 8
9
S
1–7
1–7
P
8
9
8
9
06399-049
Figure 49. I
2
C Data Transfer
WRITE
SEQUENCE
READ
SEQUENCE
S SLAVE ADDR A(S) SUBADDR A(S) DATA DATA A(S) P
S SLAVE ADDR A(S) SUBADDR A(S) S SLAVE ADDR A(S) DATA DATAA(M) A(M) P
S = START BIT
P = STOP BIT
A(S) = ACKNOWLEDGE BY SLAVE
A(M) = ACKNOWLEDGE BY MASTER
A (S) = NO-ACKNOWLEDGE BY SLAVE
A (M) = NO-ACKNOWLEDGE BY MASTER
LSB = 0
LSB = 1
A(S)
06399-050
Figure 50. I
2
C Read and Write Sequence
D