Schematic

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
VSS
1
XOUT
2
XIN
3
DM4
4
DP4
5
DM3
6
DP3
7
DM2
8
DP2
9
DM1
10
DP1
11
VD18_O
12
VD33
13
REXT
14
DMU
15
DPU
16
XRSTJ
17
VBUSM
18
BUSJ
19
VDD5
20
VD33_0
21
DRV
22
LED1
23
LED2
24
PWRJ
25
OVCJ
26
TESTJ
27
VD18
28
U2
FE1_1S
GND
12
Y1
12M
VBUS
0
DATA-
1
DATA+
2
GND
3
GND
4
GND
5
H4
USB HOST1
VBUS
0
DATA-
1
DATA+
2
GND
3
GND
4
GND
5
H3
USB HOST1
VBUS
0
DATA-
1
DATA+
2
GND
3
GND
4
GND
5
H2
USB HOST1
VBUS
0
DATA-
1
DATA+
2
GND
3
GND
4
GND
5
H1
USB HOST1
GND
GND
5V
GND
GND
GND
HUB_1.8V
2.7K
R10
104
C6
10uF
C7
GND
HUB_3.3V
100K
R7
100K
R8
100K
R9
HUB_3.3V
HUB_3.3V
5V
10uFC4
104
C5
HUB_1.8V
GND
HUB_3.3V
LED1
LED2
DRV
DRV
LED1LED2
L_USB2
L_USB4
L_USB1
L_USB3
10K
R5
10K
R6
CTS
23
RTS
24
RXD
25
TXD
26
DSR
27
DTR
28
DCD
1
RI
2
SUSPEND
11
SUSPEND
12
RST
9
D+
4
D-
5
VBUS
8
GND
3
VDD
6
REGIN
7
U1
CP2102
VBUS
1
D-
2
D+
3
ID
4
GND
5
SHIELD1
6
SHIELD2
7
SHIELD3
8
SHIELD4
9
USB.J2
USB
GND
5V
C3
0.1uF
C2
4.7uF
5V
C1
1uF
GND
R1 4.7k
5V
R3 10k
GND
GND
VBUS
1
D-
2
D+
3
ID
4
GND
5
SHIELD1
6
SHIELD2
7
SHIELD3
8
SHIELD4
9
USB.J1
USB
GND
10K
R2
PWR
aveshare
W
GND
L_RX
L_TX
R11 1k
R12 1k
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
P1
Header 20X2
P_RX
P_TX
GND
GND
GND
GND
GND
GND
GND
GND
5V
5V
P18
P12
P19
P13
GND
P26
P6
P5
ID_SD
P_SCK
P_MISO
P_MOSI
3.3V
P22
P27
P17
P4
P_SCL
P_SDA
3.3V
P23
P24
P25
P_CE0
P_CE1
ID_SC
P16
P20
P21
wPi BCMBCM wPi
15
16
1
4
5
6
10
11
26
27
28
29
8
9
7
0
2
3
12
13
14
21
22
23
24
25
2
3
4
17
27
22
10
9
11
5
6
13
19
26
21
20
16
12
7
8
25
23
24
14
15
18
P_TX
P_RX
3.3V
3.3V
5V
USB HUB HAT