(No.RA032<Rev.001>)1-21
Fig.4 Power supply circuit
54M
12M
31BU
12BU
18M
18M_3
18M
33M
33A
18M
33OPT
33M
50A
50C
200C
50R
50BU
SCTAM
Q8, Q9, D11
5V Reg
50CS
Ripple
Q115
33SD
Q81
F1
IC8
5.4V DC/DC
IC1
3.1V AVR
from
Power management IC
Q1, Q3
DC SW
1.2V AVR
IC11
1.8V AVR
IC5
3.3V AVR
IC4
3.3V AVR
IC14
3.3V AVR
IC7
3.3V AVR
IC10
5V AVR
33C
IC12
3.3V AVR
IC6
5V AVR
IC17
5V AVR
IC3
1.2V AVR
IC9
DC SW
IC13
20V DC/DC
54M
CN2
90C
90ANT
SB2
50CT
90T
Q5, Q6
DC SW
Q10, Q11
DC SW
IC15
9V AVR
DC SW
IC16
5V AVR
DC SW
(IC2)
/BINT
A1
33A
33M
F2
F3
SB1
Q14
BAT_CNT
SBC_2
ANTSW
ASSW
Q15, Q16
TXC
Q17, Q18
DC SW
RXC
/SAVE
SBC_2
SD_EN
SBC_2
Final / Drive amp
MPU/DSP I/O(B), DDR
Mobile DDR2, Clock buffer
Power management IC
MPU/DSP RTC
Flash ROM V(I/O) & 3state(512M)
CODEC DVDD
MPU/DSP I/O(A,C) DVDD, USB_VDDA33
Flash ROM, I/O Expander,ADC, CODEC
19.2M TCXO circuit, Uart SW, RS-232C
driver, SP GND switch clock, SUB (Display) unit
Power management IC
8bit/8ch DAC
12bit/4ch DAC
CODEC AVDD,DRVDD
Option Board
I/O Expander, D-sub level shift.
8bit/16ch ADC AVCC
OP amp for VREF/25REF
MPU/DSP USB_VBUS
SP GND switch driver
PLL , IF, 2ndVCO
PLL , IF
VCO Assist
VCO Doubler Amp,
TX buffer amp
RX Heter SW , Local amp
LNA, 1st Mixer, IF amp
Option Board
TX/RX VCO
VCO buffer amp
microSD
TX Heter SW
MPU/DSP Core
MPU/DSP PLL
D
-sub 25
TX Pre Drive / TX circuit
TX PreDrive(MMIC)
Audio Power Amp
RF Detector / Controller
Antenna switch
+B
SUB (Display) unit
SUB (Display) unit
Содержание NX-5900
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