
ADM1192
TIMING DIAGRAMS
1
91
9
SCL
SDA
0
1
START BY MASTER
1
SCL
(CONTINUED)
01
1 A1 A0 R/W
D7 D6 D5 D4 D3 D2 D1 D0
FRAME 1
SLAVE ADDRESS
ACKNOWLEDGE BY
SLAVE
FRAME 2
COMMAND CODE
ACKNOWLEDGE BY
SLAVE
9
1
9
SDA
(CONTINUED)
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
FRAME 3
DATA BYTE
ACKNOWLEDGE BY
SLAVE
FRAME N
DATA BYTE
ACKNOWLEDGE BY
SLAVE
STOP
BY
MASTER
Figure 18. General I2C Write Timing Diagram
1
91
9
SCL
SDA
0
1
START BY MASTER
1
SCL
(CONTINUED)
01
1 A1 A0 R/W
D7 D6 D5 D4 D3 D2 D1 D0
FRAME 1
SLAVE ADDRESS
ACKNOWLEDGE BY
SLAVE
FRAME 2
DATA BYTE
ACKNOWLEDGE BY
MASTER
9
1
9
SDA
(CONTINUED)
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
FRAME 3
DATA BYTE
ACKNOWLEDGE BY
MASTER
FRAME N
DATA BYTE
NO ACKNOWLEDGE
STOP
BY
MASTER
Figure 19. General I2C Read Timing Diagram
SCL
tLOW
tR
tHD;STA
tHD;DAT
SDA
tBUF
P
S
tF
tHIGH
tSU;DAT
tHD;STA
tSU;STA
S
Figure 20. Serial Bus Timing Diagram
tSU;STO
P
Rev. 0 | Page 11 of 20