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[AKD4558-A]
<KM116602>
2015/04
(1-2) About jumper for power supply
The roles of the jumper for each power supply supplied from the regulator are as follows.
Connection of the jumper for power supply :
Name
Function
Comments
Default Settings
JP700
AVDD1
Select regulator power supply
or jack for AVDD1
AVDD for AK4558:
JP700=1pin-2pin short : 3.3V regulator is used by default.
JP700=2pin-3pin short : Jack is used.
REG :
JP700=1pin-2pin short
JP701
REG3.3V
REG1.8V
Select regulator power supply
3.3V or 1.8V for TVDD
TVDD for AK4558 and Logic IC:
JP701=1pin-2pin short : 3.3V regulator is used.
JP701=2pin-3pin short : 1.8V regulator is used by default.
REG1.8V :
JP701=2pin-3pin short
JP702
TVDD
Select regulator power supply
or jack for TVDD
TVDD for AK4558 and Logic IC:
JP702=1pin-2pin short : Regulator is used by default.
JP702=2pin-3pin short : Jack is used.
REG :
JP702=1pin-2pin short
JP703
VDD18
Select regulator power supply
or jack for VDD18
VDD18 for AK4558:
JP703=1pin-2pin short : 1.8V regulator is used by default.
JP703=2pin-3pin short : Jack is used.
REG :
JP703=1pin-2pin short
JP100
VDD18SEL
Select External power supply or
LDO power supply of AK4558
for VDD18
VDD18 selector for AK4558:
JP100=short : External Power supply is used by default.
JP100=open : LDO of AK4558 is used.
External :
JP100=short
JP704
D3.3V
Select regulator power supply
or jack for D3.3V
D3.3V for AK4118A and Logic IC:
JP704=1pin-2pin short : 3.3V regulator is used by default.
JP704=2pin-3pin short : Jack is used.
REG :
JP704=1pin-2pin short
JP705
GND
Select connection / separation
between analog ground and
digital ground.
Analog ground / digital ground short or opem:
JP705=open: Separate analog ground from digital ground
JP705=short: Connect analog ground to digital ground by
default.
Short :
JP705=short
Table 2. Jumper for power supply
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