BU7831KN_06 Datasheet, PDF (14/17 Pages) Rohm – Voice/Audio Mixer & Selector

Mode Setting Flow
Power Supply ON
Reference Voltage ON
(VCOM＝1)
INPUT Path setting
MIXING Path setting
*１
Analog Power ON
(PDN＝1)
HPAMP RESET lifting
（Using HPAMP）
OUTPUT
Power Supply OFF
Stand-by mode
RESET
(NRST=0 or VCOM=0)
Analog Power OFF
*2
(PDN＝0)
HPAMP MUTE ON
（Using HPAMP）
HPAMP RESET setting
（Using HPAMP）
*1 : When the analog path setting is not changed. (Repeat output)
*2 : When the Power supply OFF, after output.
Fig. 35
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