Datasheet

Frame1Two-WireSlaveAddressByte
Frame2PointerRegisterByte
Frame4DataByte2
1
StartBy
Master
ACKBy
ADS1113/4/5
ACKBy
ADS1113/4/5
ACKBy
ADS1113/4/5
StopBy
Master
1 9 1
1
D7 D6 D5 D4 D3 D2 D1 D0
9
Frame3DataByte1
ACKBy
ADS1113/4/5
1
D15
SDA
(Continued)
SCL
(Continued)
D14 D13 D12 D11 D10 D9 D8
9
9
SDA
SCL
0 0 1 0
A1
(1)
A0
(1)
R/W 0 0 0 0 0 0 P1 P0 ¼
¼
Frame1SMBusALERTResponseAddressByte Frame2SlaveAddressFromADS1115
StartBy
Master
ACKBy
ADS1113/4/5
From
ADS1113/4/5
NACKBy
Master
StopBy
Master
1 9 1
9
SDA
SCL
ALERT
0 0 0 1 1 0 0 R/
W 1 0 0 1 A1 A0 Status
ADS1113
ADS1114
ADS1115
SBAS444B –MAY 2009–REVISED OCTOBER 2009 www.ti.com
(1) The values of A0 and A1 are determined by the ADDR pin.
Figure 31. Two-Wire Timing Diagram for Write Word Format
(1) The values of A0 and A1 are determined by the ADDR pin.
Figure 32. Timing Diagram for SMBus ALERT Response
22 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): ADS1113 ADS1114 ADS1115