Datasheet
ADS1100
11
SBAS239B
www.ti.com
Frame 1: I
2
C Slave Address Byte Frame 2: Configuration Register
1
Start By
Master
ACK By
ADS1100
ACK By
ADS1100
191 9
SDA
SCL
001
A2
A1 A0 R/W
ST/
BSY
0 0 SC DR1 DR0
PGA1 PGA0
Stop By
Master
FIGURE 3. Timing Diagram for Writing to the ADS1100.
Frame 1: I
2
C Slave Address Byte Frame 2: Output Register Upper Byte
Start By
Master
ACK By
ADS1100
ACK By
Master
From
ADS1100
From
ADS1100
191
9
…
…
…
…
SDA
SCL
SDA
(Continued)
SCL
(Continued)
1 0 0 1 A2 A1 A0 R/W
D15 D14 D13 D12 D11 D10 D9 D8
Frame 3: Output Register Lower Byte Frame 4: Configuration Register
(Optional)
ACK By
Master
Stop By
Master
ACK By
Master
From
ADS1100
1
91
D7 D6 D5 D4 D3 D2 D1 D0
ST/
BSY
0 0 SC DR1 DR0
PGA1 PGA0
9
FIGURE 2. Timing Diagram for Reading From the ADS1100.