BD3465FV Datasheet, PDF (24/31 Pages) Rohm – General-Purpose 4ch Electronic Volume with Built-in Advanced Switch

BD3465FV
Operational Notes – continued
 Data Transfer Example 2
Priority is given to the data of the same select address when it is transferred to the timing which
Advanced Switch has not ended. In addition, when two or more data are transferred to the same
select address, the end transferred data is effective.
The data which have become invalid as a result
VolumeF1 Only the last of the data transmitted during
the VolumeF1 change is effective.
I²C BUS
(VolumeF1 0dB)
80 28 80
(VolumeF1 +1dB)
80 28 7F
(VolumeF1 -1dB)
80 28 81
Advanced switch timing
VolumeF1
Changing time
VolumeF1
Changing time
 Data Transfer Example 3
Refresh data is the same as the present setup data, therefore Advanced Switch does not change.
The gain change data of other channels are transferred after refresh data as shown below.
I²C BUS
(VolumeF1 0dB)
80 28 80
VolumeF1 0dB)
80 28 80
VolumeR1 dB)
80 2A 80
Refresh data
Advanced switch timing
VolumeF1
changing time
VolumeR1
changing time
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
24/28
TSZ02201-0C2C0E100380-1-2
16.Dec.2015 Rev.001