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6
1-2. Generated Voltages List
Table.1-6 and Table.1-7 show the generated voltages lists of the unit.
Table.1-5 shows the differences of the generated voltages between NW-HD1 and NW-HD5.
Table.1-5 Differences between NW-HD1 and NW-HD5
Voltage Name
NW-HD1
NW-HD5
Remark
VG
6.0[V]
5.6[V]
-
REG_01
2.0[V]
1.9[V]
-
REG_03
Generated based on 1.8V
Generated based on REG_01.
1.8V
1.8V REGULATOR IC9003 is
mounted
mounted
1.8V REGULATOR IC is not
mounted. Instead of 1.8V, REG_01
is used.
mounted. Instead of 1.8V, REG_01
is used.
Not requiring 1.8V REGULATOR IC9003,
the design of NW-HD5 has the merits of parts
reduction and lower power consumption.
the design of NW-HD5 has the merits of parts
reduction and lower power consumption.
Table.1-6 Generated Voltages List - 1
Voltage Name
IC which generates the voltage
ICs which use the respective voltage
Test Point
BATT+
Rechargeable Lithium Ion Battery
CHARGE CONTROL IC9002
TP9010
DCIN6V (6[V])
AC power adapter
CHARGE CONTROL IC9002
-
VBUS
PC
-
USB CONTROLLER IC2001
-
CHARGE CONTROL IC9002
TP9018
VB
CHARGE CONTROL IC9002
-
POWER CONTROL IC9003
-
RTC IC9503
-
3.3V DC-DC CONVERTER IC9004
TP9003
VREF (1.275[V])
POWER CONTROL IC9003
POWER CONTROL IC9003
-
VG (5.6[V])
POWER CONTROL IC9003
POWER CONTROL IC9003
-
VSTB (VCO1: Wake-up mode)
POWER CONTROL IC9003
-
KEY SELECT SWITCH IC1001
-
KEY SELECT SWITCH IC1002
TP9014
VCO1 (2.4[V])
POWER CONTROL IC9003
-
MAIN SYSTEM CONTROLLER IC1003
-
Remote Controller
TP9015/TP4308
VC2 (1.2[V])
POWER CONTROL IC9003
-
MAIN SYSTEM CONTROLLER IC1003
-
MULTI INTERFACE IC7001
-
HP AMP. IC4301
TP9004
REG_01 (1.9[V])
POWER CONTROL IC9003
-
MAIN SYSTEM CONTROLLER IC1003
-
SUB SYSTEM CONTROLLER IC3001
-
MULTI INTERFACE IC7001
-
FLASH MEMORY IC1101
-
SD-RAM IC7002
-
BUFFER IC9502
-
RTC IC9503
TP9007
REG_03 (1.5[V])
POWER CONTROL IC9003
SUB SYSTEM CONTROLLER IC3001
TP9005
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