BM28723AMUV
I/O Equivalence Circuits - continued
Pin
No.
27
Pin
Voltage
5.7V
Pin Name
REG_G
Pin Explanation
I/O Equivalence Circuit
24
Internal power supply pin for gate driver
Connect capacitor
Caution: The REG_G pin of BM28723AMUV should not be used
as an external supply and cannot support voltage load from external
source. Therefore, do not connect anything except capacitor for
stabilization.
27
350kΩ
23
29
30
31
RSTX
MUTEX
SCL
0V
0V
-
Reset pin for Digital circuit
High: Reset OFF
Low: Reset ON
Select pull-down resistor after DVDD is applied.
Speaker output mute control pin
High: Mute OFF
10
29,30
Low: Mute ON
8
Select pull-down resistor after DVDD is applied.
2 wire Bus control transmit clock input pin
Input the transmit clock to this pin for 2 wire Bus
control.
31
Caution: This pin is not corresponding to threshold tolerance of 5V.
Refer to Absolute Maximum Ratings, Input voltage 1
8
32
SDA
-
-
2 wire Bus control data input/output pin
Input the transmit data to this pin for 2 wire Bus
control.
32
Caution: This pin is not corresponding to threshold tolerance of
5V.Refer to Absolute Maximum Ratings, Input voltage 1
8
-
EXP-PAD
There is no problem when EXP-PAD is left
unconnected. However, connecting it to ground is
recommended because the radiation performance
will be degraded.
-
The connection to any place except for the ground is
prohibited.
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TSZ02201-0C1C0E900720-1-2
31.Aug.2018 Rev.001
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