Inhaltsverzeichnis
Werbung
USB / Card Reader
VCC3.3
J2
R11
FB120
1
2
3
R12
FB120
4
R13
0R
5
USB0_DP
C11
6
R14
0R
USB0_DM
7
100n
USB_SW
C13
C14
C32
CON7/1.0mm
NC
NC
NC
GND
VCCUSB
L1
VCC
EC5
C27
FB600/0805
47u/16V
100n
GND
JP2
1
VBus_1
0R
R29
6
2
GND
D-_1
5
3
GND
D+_1
R32
0R
4
GND_1
R37
USB CONN-A x 1
0R
GND
VCC
VCC
EC1
EC2
+
C12
+
100u
100n
100u/6.3V
C15
6.3V
100n
GND
U1
GND
74HC4053
14
(2)
USB0_DM
X
X0
X1
15
(2)
USB0_DP
Y
Y0
4
Z
Y1
Z0
Z1
R19
R20
C16
C17
A
B
C
NC
NC
EN
15K
15K
VEE
GND
USB0_DM1
R30
33
R33
33
USB0_DP1
GND
C30
C31
100P
100P
GND
C28
USB0_DM1
12
C29
USB0_DM2
13
USB0_DP1
2
USB0_DP2
1
GND
5
VCC3.3
3
USB_SW
11
10
9
6
R21
C21
7
100n
VCC
1.5K
GND
USB0_DM2
R22
39
USB0_DP2
R24
39
EC4
+
100u/6.3V
GND
GND
SDPWR
R15
10K
SDCMD
SDCLK
SDDATA
18P
XTAL1
R31
YM1
12MHz
C18
1M
18P
XTAL2
100n
VCC3.3
GND
EC3
C19
+
100n
100u/6.3V
U2
GND
GND
1
28
NC1
NC4
XTAL1
2
27
XTAL1
GPO7
XTAL2
3
26
XTAL2
GPI0
4
25
AVSS
GPI1
5
24
AVDC
GPI2
6
23
VCC5V
VCC
7
22
VCCIO
VSS
R23
8
21
USB_DM
SDCMD
R25
9
20
USB_DP
SDCLK
RU1
47K
10
19
R26
SDA
SDDATA
11
18
SCK
SDCD
C22
12
17
VSSIO
SDWP
R27
13
16
TEST
PWD
100n
14
15
NC2
NC3
AU9331
GND
VCC3.3
R16
R17
R18
10K
100K
100K
JP1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
SD SOCKET
GND
VCC3.3
C20
100n
GND
33R
SDCMD
VCC3.3
33R
SDCLK
SDDATA
33R
SDCDN
S
SDWP
1K
Q1
G
AO3407
C23
C24
C25
C26
33P
100n
33P
22P
D
SDPWR
GND
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Inhaltsverzeichnis
