Sim Card Interface - LG -A290 Service Manual

3.8 SIM Card Interface

VMMC
18
ST2
17
ST1
1
S4
2
MMC_DATA2 T1
3
MMC_DATA3 T2
4
MMC_CMD T3
5
T4
6
T5
MMC_CLK
7
T6
8
T7
MMC_DATA0
9
T8
MMC_DATA1
10
S8
C270 C235
VA209 VA210 VA211 VA212 VA213 VA214
1u 1u
VSIM2
R246
DNI
SIM_DATA_1
SIM_DATA_2
LGE Internal Use Only
VIO
47K R221
T_FLASH_SIM_COMBO
MMC_DET
C265
1u
SIM2_RST
SIM2_CLK
SIM2_DATA
VA222 VA221
C261
VA223
DNI
VSIM_1
J201
R225
4 1
DNI
C5 C1
5 2
C6 C2
6 3
C7 C3
10 7
GND4 GND1
9 8
GND3 GND2
VA215
VSIM_2
R231
4
DNI
5
6
10
9
VA218
Figure 3.8.1 SIM Connector Circuit Diagram
SYS_RESET
TP200
SIM1_CLK
TP201
SIM1_RST
TP202
SIM1_DATA
VSIM2
I2C_SCL2
I2C_SDA2
C234
1u
SIM_CONNECTOR
VSIM_1
C247
VA216
VA217
1u
SIM_CONNECTOR
VSIM_2
J202
1
C5 C1
2
C6 C2
3
C7 C3
7
GND4 GND1
8
GND3 GND2
VA219
C254
1u
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3. TECHNICAL BRIEF
Dual SIM Controller
VIO
VBAT
VSIM_1
C238
C237
VSIM_2
C239 1u
2.2u
2.2u
C257
1u
VSIM1
5
SCLK1/GPIO1
6
SIMCLK1/GPI13 SRST1/GPIO2
15 7
SIO1/GPIO3
8
SIMRST1/GPI14
14
VSIM2
3
SIMIO1/GPI15 SCLK2/GPIO4
13 2
SRST2/GPIO5
1
SIO2/GPIO6
28
SIMCLK2/GPI16
16
VSIM3
27
SIMRST2/GPI17 SCLK3/GPIO7
17 24
SRST3/GPIO8
25
SIMIO2/GPI18 SIO3/GPIO9
18 26
R241
CE0 VSIM4
20 9
SCLK4/GPIO10 0
10
SCL SRST4/GPIO11
21 11 C259
SIO4/GPIO12
12
SDA
1u
22
SIM_RST_1
SIM_CLK_1
C249
DNI
SIM_RST_2
SIM_CLK_2
VA220
C256
DNI
Only for training and service purposes
C258
1u
SIM_CLK_1
SIM_RST_1
SIM_DATA_1
SIM_CLK_2
SIM_RST_2
SIM_DATA_2
VSIM1