Schematics

CONFIDENTIAL AND PROPRIETARY
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REVISION RECORD
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APPROVED:
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DATED:
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DOCUMENT NO.:
Hardware DEPT.
COMPANY:
Spreadtrum communications, Inc.
400mA
SDIO3.0 Interface Up to SDR104
VR6407 VR6409
VF6408
VR6410
C6403
1.0uF
VR6406 VR6405 VR6404
C6404
NC
C6405
NC
C6406
NC
C6407
NC
C6408
NC
C6409
NC
C6410
4.7uF
VR6411
C6401
1.0uF
10
IO
9
VPP
1
VCC1
11
NC
12
NC
8
CD
15
GND3
16
GND4
13
GND1
14
GND2
2
VCC2
5
CLK1
6
CLK2
3
RST1
4
RST2
7
GND
SIM2
10
IO
9
VPP
1
VCC1
11
NC
12
NC
8
CD
15
GND3
16
GND4
13
GND1
14
GND2
2
VCC2
5
CLK1
6
CLK2
3
RST1
4
RST2
7
GND
SIM1
1
DAT2
2
CD/DAT3
3
CMD
4
VDD
5
CLK
6
VSS
7
DAT0
8
DAT1
9
GND
10
GND
11
GND
12
GND
13
DET
TF1
VR1
VR5
SIM0_CLK
[11,21]
SIM0_RST
[11,21]
VDDSIM0 [6,12,21]
SIM0_DA
[11,21]
SIM1_CLK
[11,21]
SIM1_RST
[11,21]
SIM1_DA
[11,21]
TF_SD0_D0
[11,21]
TF_SD0_CLK0
[11,21]
TF_SD0_D3
[11,21]
TF_SD0_CMD
[11,21]
TF_SD0_D2
[11,21]
TF_SD0_D1
[11,21]
VDDSDCORE
[6,21]
VDDSIM1
[6,12,21]
SIM1_DA
[11,21]
SIM1_CLK[11,21]
SIM1_RST[11,21]
VDDSIM1[6,12,21]
SIM0_DA
[11,21]
SIM0_CLK[11,21]
SIM0_RST[11,21]
VDDSIM0[6,12,21]
TF_SD0_D1
[11,21]
TF_SD0_D0
[11,21]
TF_SD0_CLK0
[11,21]
TF_SD0_CMD
[11,21]
TF_SD0_D3
[11,21]
TF_SD0_D2
[11,21]
VDDSDCORE
[6,21]
SIM0_DET
[11]
SIM1_DET
[11]