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4. Circuit Description
4.2.11 EXTERNAL INTERFACE
The pin arrangement of system I/O is shown below.
FSA2467 Function Select
1S
2S
Function Mode
1
X
USB
0
0
UART
0
1
AUDIO
VUSB
VDD
R701
D701
R702
100K_5%
RB520S-30
1.5K_5%
0402R-S
RB520S30T1
0402R-S
1
2
P.4
ADC5_USB
R709
33_1%
P.4
USB_DM
0402R-S
R710
33_1%
P.4
USB_DP
0402R-S
R705
1K_5%
P.4
URXD1
0402R-S
22uF_20%_6.3V
R708
330_5%
C701
P.4
MP3_OUTR
0402R-S
0805C-S
R706
100_5%
P.4
UTXD1
0402R-S
22uF_20%_6.3V
R711
330_5%
C708
P.4
MP3_OUTL
0402R-S
0805C-S
R712
10K_5%
P.4
EINT0_HEADSET
0402R-S
C736
1nF_10%
0402C-S
P.4
GPIO2_UR1_CTL
R724
100nF_5%
0402R-S
P.4
MICN1
P.4
MICP1
P.4
ADC6_ASS_ID
P.4
EINT1_HOOK_KEY
U704
DNI
DTC323TU
LGE Internal Use Only
R725
DNI
0402R-S
P.4
GPIO0_SWITCH
AVDD
VCHG
R722
100K_5%
C710
0402R-S
R723
100nF_10%
82K_5%
0402C-S
0402R-S
1
16
1B0
1A
15
1B1
4
2A
5
2B0
2
1S
3
2B1
C742
9
8
3B0
3A
100nF_10%
0402C-S
7
3B1
V701
12
4A
ESDA
13
4B0
0402R-S
10
2S
11
4B1
MICBIASP
C711 100nF_10%
0402C-S
R714
1K_5%
R715
0402R-S
C713
1.5K_5%
100pF_5%
0402R-S
1
4
0402C-S
C714 100nF_10%
2
3
0402C-S
FL701
C715
C716
EXC24CP121
33pF_5%
33pF_5%
EXC24C
0402C-S
0402C-S
V717
ESDA
0402R-S
R716
0402R-S
V704
ESDA
C718
0402R-S
100nF_10%
0402C-S
- 40 -
Accessory PIN Define
Charger
USB
1
V_USB
Charger_in
V_USB
2
D-
X
D-
3
D+
X
D+
4
ID
X
X
5
GND
GND
GND
B701
MMZ1608S121AT
0603B-S
B702
MMZ1608S121AT
0603B-S
B703
MMZ1608S121AT
0603B-S
V713
ESDA
HSP701
0402R-S
V703
ESD_PAD
ESDA
V702
0402R-S
ESDA
0402R-S
HSP702
ESD_PAD
FM_ANT
C712
DNI
0402C-S
C717
V716
10uF_10%_10V
ESDA
0805C-S
HSP706
0402R-S
ESD_PAD
Copyright © 2007 LG Electronics. Inc. All right reserved.
UART Hands-free
X
X
RXD
AUDIO_R
TXD
AUDIO_L
MIC / Hook
GND
GND
MINI USB
1
V_USB
2
D-
3
D+
4
USB_ID
5
GND
6
G1
7
G2
8
G3
9
G4
V714
V715
J704
ESDA
ESDA
MCN50-5K5U11
0402R-S
0402R-S
MINI_USB_SH_B(ACON)-DOUBLE
L707
0R
0805L-S
Only for training and service purposes
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