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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
3.5. Dual SIM & u-SD Interface
3.5.1. Dual SIM Interface
KS660 supports dual SIM mode and each SIM supports 1.8V & 2.9V plug in SIM, SIM interface scheme
is shown in (Figure 8).
SIM_IO, SIM_CLK, SIM_RST ports are used to communicate with BBP(S-Gold3) and the SIM power
supply enabled by PMIC.
SIM Interface
SIM_CLK : SIM card reference clock
SIM_RST : SIM card Async /sync reset
SIM_IO : SIM card bidirectional reset
u1
207C
1_MIS
_
9
V
2
KL
C
3
4
D
NG
1
DNG
8
7
2
D
NG
O
_
I
6
2
TSR
1
C
C
V
P
P
V
5
00
7
J
4.7K
R700
p72
30
7
C107C
p7
2
TSR
_
1
M
IS
O
I_1MISKLC
_
1
M
IS
5
3
5
C
u1.0
2
DNG
O
_I
6
2
T
SR
1
C
CV
P
PV
5
005J
KL
C
3
4
D
NG
1D
N
G
87
p22
6
3
5
C
2
_
9
V2
_
M
I
S
V
R513
4.7K
43
5
C
p051
OI
_2
M
IS
T
S
R
_
2
M
I
S
KL
C
_2MIS
HCTIWS
M
IS
007C
F
u
1.0
40
7
C
u
1
T
A
B
V
M
I
S
_
9
V
29V2_MISV1_MIS_9V2
1M
OC
3
2MOC
9
6
DNG
4
1N
I
8
2NI
1CN
5
7
2CN
2
1ON
01
2ON
1
CC
V
G2RN
M
B3225SAL
N
307
U
MIS_9V2
1MOC
3
2MOC
9
6
DNG
4
1
NI
8
2
N
I
1
CN
5
7
2CN
2
1ON
01
2ON
1
CC
V
G2
R
NMB3225S
A
LN
1
0
7U
R701
10K
1
1
7
C
F
u
1
.
0
9V2
_
MI
S
V
T
A
B
V
2_9
V
2
_
MI
S
V
1A_CN
1
NC_B1
5
9
1
C_CN
NC_D1
13
NO_A0
15
0B_ON
3
7
NO_C0
0D
_O
N
112
B
A
S
DCS
01
14
VCC
TAB
V
T
M
1
3
4
9T
SAL
N
0
0
7
U
16
COM_A
4
B_MOC
8
COM_C
2
1
D_M
O
C
6
GND
O
I
_
2
MIS_RG
S
KL
C
_2MIS_RG
S
H
CTIWS_MIS
OI_2MI
S
KL
C
_2MIS
O
I
_1MIS_3G
S
KL
C
_1MIS_3GS
HCTIW
S
_MIS TSR_1
M
IS_3GS
OI_
2
MI
S
_
RG
S
KLC_
2
MI
S
_RGS
TSR_2MIS_RGS TSR
_
2MIS_RGS
O
I
_
1
MI
S
_3G
S
KLC_
1
MI
S
_3GS
T
SR_1MIS_3G
S
TSR_2M
I
S
OI_1MI
S
KLC_
1
MIS
TSR_
1
M
IS
HCTIWS_
M
IS
< Fig 10. Dual SIM Interface >
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