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7. CIRCUIT DIAGRAM
1 2 3 4 5 6 7 8 9 10
2V8_VMEM 2V8_VEXT 2V85_VSIM 1V8_VRTC
1V8_VCORE 2V8_VMEM VUSB
UART PORT
VBAT
UR100
3G 2.5G C100 C101 C102 C103 C104 C105 C106 C107 C108 C109
KDS121E
1 1 VBAT VUSBIN
GND GND 47n 0.1u 0.1u 0.1u 0.1u 0.1u 47n 47n 47n 0.1u DBB_CLKON
2 3
RX RX USC_1 CLKON
3 2
TX TX USC_2 SW_CLKON
4
UFLS NC1
5
D101
M14
C12
D16
R15
C11
N11
P14
K11
F12
F14
T12
ON_SW ON_SW RPWRON
J11
M6
M3
R197
H6
H1
A5
E3
V8
A8
2V75_VVCXO
F8
T3
T6
L9
6
1V8_VCORE
2V75_VABB
A 22u C111 C112 A
2V85_VSIM
VBAT VBAT
2V5_VMIC
10K
2V8_VMEM
1V8_VRTC
2V8_VEXT
7
C110 22p 47n
VCC1
VCC2
VCC3
VCC4
VCC5
VCC6
VCC7
VCC8
VINT
VMEM1
VMEM2
VMEM3
VMEM4
VMEM5
VEXT1-1
VEXT1-2
VEXT1-3
VEXT1-4
VEXT1-5
VEXT1-6
VEXT2-1
VSIM
VDDUSB
VDDRTC
PWR NC2
VUSB
VBAT
8 C1
URXD NC3 ADD00 ADD0
9 E5
UTXD NC4 ADD01 ADD1
10 D3
G15
C15
H15
SPWR1 R10
SPWR2 T10
F15
DSR DSR ADD02 ADD2
R5
R4
N2
R2
R6
A3
B3
P2
11 F6 DATA100 R100 10K
RTS USC5 ADD03 ADD3 BACK_BATT
12 D1 L3
USC4 ADD04 ADD4 DATA0 DATA00
VBAT1
VBAT2-1
VBAT2-2
VBAT3-1
VBAT3-2
VBAT4
VBAT5
VCOREIN
VMEMIN1
VMEMIN2
VRTCIN
VUSBIN
CTS
F5 L6 A12 P1 C113 1u
ADD05 ADD5 DATA1 DATA01 IP IP VCORE1
G6 L1 A13 N1
ADD06 ADD6 DATA2 DATA02 IN IN VCORE2
E1 L8 A15 T3 C114 1u
ADD07 ADD7 DATA3 DATA03 QP QP VMEM1
G5 M1 A14 T2
ADD08 ADD8 DATA4 DATA04 QN QN VMEM2
F3 L5 B14 T7 C115 0.1u
ADD09 ADD9 DATA5 DATA05 AFC AFCDAC VRTC
H8 N3 B12 T6 C116 1u
ADD10 ADD10 DATA6 DATA06 TX_RAMP PA VSIM
F1 N1 H16 C117 2.2u (1608)
ADD11 ADD11 DATA7 DATA07 VABB
G3 P3 C120 C121 N16 C118 1u
ADD12 ADD12 DATA8 DATA08 VMIC
G1 N6 D16 C119 1u
ADD13 ADD13 DATA9 DATA09 VVCXO
H3 P1 47p 0.068u E15 C122 1u
ADD14 ADD14 DATA10 DATA10 VUSB
J6 R3 A4 C123 1u
ADD15 ADD15 DATA11 DATA11 VEXT1
J8 R1 B4
ADD16 ADD16 DATA12 DATA12 VEXT2
J3 N7 T1 T4
ADD17 ADD17 DATA13 DATA13 _RESET RESET VBACK
J5 P6 T13 E16
ADD18 ADD18 DATA14 DATA14 KEY_ROW0 KEYOUT VAPPGATE
J1 T1 T14 F16
ADD19 ADD19 DATA15 DATA15 PWRKEY KEYON VAPP
K6 R7
ADD20 ADD20 RPWRON DBBON
K3 A2
B ADD21 ADD21 CLKON VCXOEN B
K1 T12 (1%)
ADD22 ADD22 LDOEN
K9 A4 ABB_IRQ D1 T15 R101 1.2M
ADD23 ADD23 GPIO_48_ABB_IRQ INT IBIAS
H9 L1 R1 C124 1u
CLKOUT MCLK CRST
V5 E7 J2
_RAM_CS1 NRAMCS1 CLKOUT_GATE MCLKEN
P8 A6 M1 R3 VBAT VCHARGE
NRAMCS2 GPO_29_ABBRESET ABBRESET VMEMSEL
N8 T5
_ROM_CS1 NROMCS1 VBACKSEL
_ROM_CS2 P9 T11 G16
_ROM_CS2 GPIO_44_NROMCS2 JTAGEN JTAGEN NC_G16_VPLL_TE
_WR R4 L11 TCK B2 (1%)
_WR NWE GPIO_18_TCK TCK
_LBS V1 V12 TMS B1 B7 R102 100
_LBS NLWR GPIO_19_TMS TMS CHGDACREF
_UBS U1 P12 R103 NA A1 B5 C125 0.01u
R104 _UBS NHWR GPIO_20_TDI TDI TDI CHGOSC 2V5_VMIC
_RD P5 V13 TDO1 C1
_RESET _RD NRD GPIO_21_TDO TDO0 TDO
100 B8
VBATSENSE
C126 C127 T4 A5
NADV VCHG
_WAIT
V2
NWAIT GPO_0_RXON
C8 K1
RXON ISENSE
A7 U100
100p 100p V4 E8 K2 A6
BURSTCLK GPO_1_TXON
A7 J1
TXON
U101 GATEDRIVE TP100
MAX4684EBC_T
B4
GPO_5_ARSM ASM
T5 C7
NGPCS1 GPO_6_ATSM TP102
V+
V6 C4 C2 GPIO40
C129
_MIDI_CS
_LCD_CS
N9
V7
NAUXCS1
GPIO_42_NMAIN_LCD_CS
C6 H1
AD6535ABCZ MULTI_MIC_P
A4
NO1 IN1
A2