Datasheet

AD5627R/AD5647R/AD5667R, AD5627/AD5667
Rev. 0 | Page 22 of 32
FRAME 2
COMMAND BYTE
FRAME 1
SLAVE ADDRESS
19 91
SCL
START BY
MASTER
ACK. BY
AD56x7
ACK. BY
AD56x7
SDA
R/W
DB23A0A11000 1 DB22 DB21 DB20 DB19 DB18 DB17 DB16
191
ACK. BY
AD56x7
ACK. BY
AD56x7
FRAME 4
LEAST SIGNIFICANT
DATA BYTE
FRAME 3
MOST SIGNIFICANT
DATA BYTE
9
STOP BY
MASTER
SCL
(
CONTINUED)
SDA
(CONTINUED)
DB15 DB14 DB13 DB12 DB11 DB10 DB9
DB8
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
06342-103
Figure 54. I
2
C Write Operation
FRAME 2
COMMAND BYTE
FRAME 1
SLAVE ADDRESS
19 91
SCL
START BY
MASTER
ACK. BY
AD56x7
ACK. BY
MASTER
SDA
R/W
DB23A0A11000 1 DB22 DB21 DB20 DB19 DB18 DB17 DB16
191
ACK. BY
MASTER
NO ACK.
FRAME 4
LEAST SIGNIFICANT
DATA BYTE
FRAME 3
MOST SIGNIFICANT
DATA BYTE
9
STOP BY
MASTER
SCL
(
CONTINUED)
SDA
(CONTINUED)
DB15 DB14 DB13 DB12 DB11 DB10 DB9
DB8
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0
6342-104
Figure 55. I
2
C Read Operation
SCL
0 0 0 0 1 X X X 0 0 0 1 1 A1 A0 R/W
SDA
1919
NO ACK SR
START BY
MASTER
ACK. BY
AD56x7
HS-MODE
MASTER CODE
SERIAL BUS
ADDRESS BYTE
FAST MODE HIGH-SPEED MODE
06342-105
Figure 56. Placing the AD5627RBRMZ-2/AD5667RBRMZ-2 in High Speed Mode