Datasheet

Start
Address (1010 000b)
0 Ack
IVRA Register (0x00h)
Ack
Method 1: First Write 0x80 to IVRA and then write 0x80 to IVRB Register
From Processor to DPOT
From DPOT to Processor
Data (0x80) Ack
Stop
Start
Address (1010 000b)
0 Ack
IVRB Register (0x01h)
Ack
Data (0x80h) Ack
Stop
Start
Address (1010 000b)
0 Ack
IVRA Register (0x00h)
Ack
Data (0x80h) Ack
Stop
Method 2: Perform a multi byte write to IVRA and IVRB Register
AckData (0x80h)
Data written to Register 0x01h
Data written to Register 0x00h
TPL0102
SLIS134B –MARCH 2011– REVISED AUGUST 2011 www.ti.com
Following is a sample sequence to set wipers of both potentiometers at mid-scale. Assume A0, A1, and A2 are
zero and device has just been powered up.
Figure 5. I
2
C Interface Example
14 Copyright © 2011, Texas Instruments Incorporated