6.
Schematic Diagram
6.7. USB/ETHERNET
WIFI NOT INCLUDE : SS ~
RTL820 1E
WIFI INCLUDE : W~
WIFI DONGLE
OP TION
WI-FI CO N
WIFI OP TION
E3 .3V_P W
E3 .3V_P W
E3 .3V_PW
U5.1V_PW
U5.1V_P W
U5.1V_P W
U5.1V_P W
D3.3V_P W
E3 .3V_P W
LED0_ AD0
LED1_ AD1
I_MAC_RX_DV
O_MAC
_TX
D1
O
_
M
A
C
_
M
D
C
O_MA
C_
T
X
_
E
N
O_M
A
C_
T
X
D
3
O_MAC
_
T
X
D
2
L
E
D
0
_
A
D
0
I_MAC_RX_ER
I_MAC_RX_COL
I_MAC_RX_CR S
I_MAC_RXD1
I_MAC_RXD3
I_MAC_RXD2
I_MAC_RXD0
O_MAC_TXD0
I_MAC_TX_CLK
I_MAC_RX_CLK
B_MAC_MDIO
VBUS1_ FAULT
I_MAC
_RX_
DV
USB1 _VBUSVALID
ETHER_RX-
E
E
MRS T
US B0_VBUS VALID
VBUS 0_FAULT
ETHER_TX-
LED1_AD1
I_MAC_ RX_ER
I_MAC_ RX_CRS
I_MAC_ RX_COL
US B1_P WR
HU1-_US B
HU1+_US B
I_MAC_ RX_CLK
HU1+_WIFI
HU1-_WIFI
US B5V_P W0
DGND
NC
R430
NC
R429
NC
R428
4.7KOHM
1/16 W
R435
1/16 W
4.7KOHM
R434
1/16 W
4.7KOHM
R436
7C3>
7C3>
7C3
>
7C3
>
7
C
3
>
NC
R433
4.7 KOHM
1/1 6W
R427
4.7 KOHM
1/1 6W
R426
1/1 6W
4.7 KOHM
R489
6.3V
10UF
C408
16V
100NF
C409
16V
100NF
C410
DGND
50 00MA
0.0 1OHM
BD41
NC
R431
NC
R432
7C3>
7C3<
7C3<
6E 7<
7C3<
7C3<
7C3<
7C3<
1/10 W
0OHM
R443
NC
R465
33 OHM
1/16 W
R467
33 OHM
1/16 W
R466
1/16 W
33 OHM
R461
1/16 W
33 OHM
R462
33 OHM
1/16 W
R463
1/16 W
33 OHM
R464
DGND
10V
100NF
C423
33OHM
R468
33OHM
R469
33O
HM
R470
3
3
O
H
M
R
4
7
1
IC41
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
1
2
2
2
3
2
4
25
26
27
28
29
30
31
32
MGND1
3
3
O
H
M
R4
7
2
3
3
O
H
M
R4
7
3
3
3
O
H
M
R4
7
4
0OHM
1/8W
R451
DGND
1/16
W
33OHM
R452
2.49KOHM
1/10W
R4 53
16V
100NF
C4 22
6.3V
10UF
C4 21
7B4>
7C3<
7B4>
1K
OH
M
1/10
W
R
3
0
7B4>
7B4>
1
.5
K
O
H
M
1
/1
6
W
R4
7
5
14E10<
7A4<
8F8>
14F11<
7C3<>
1/16W
33OHM
R4 78
1/16W
33OHM
R4 79
1/16W
33OHM
R4 80
16V
100NF
C4 26
6.3V
10UF
C4 27
16V
100NF
C4 31
16V
100NF
C4 28
DGND
DGND
DGND
DGND
L
O
P
IV
A
1
6
G
0
5
1
2
V
V
T
4
3
L
O
P
IV
A
1
6
G
0
5
1
2
V
V
T
4
4
NC
R4 82
7C3<
7C3<
7C3<
0OHM
R4 83
DGND
1
2
V
L
O
P
IV
A
1
6
G
0
5
V
T
4
5
1
2
V
L
O
P
IV
A
1
6
G
0
5
V
T
4
6
FT66
1
2
3
4
1
M
O
H
M
1
/1
6
W
R4
8
4
2
5
M
H
Z
X
4
1
50V
24PF
C4 30
50V
24PF
C4 29
RX
-
RX
+
DGND
16V
220N
F
C7
3
1
10KOHM
R8 6
4.7KOH
M
1/10
W
R7
5
3
1
0
V
1
0
U
F
C8
8
8
DGND
1
0
V
1
0
U
F
C8
8
9
IC10
1
2
3
4
5
6
FT65
1
2
3
4
16.5
KOH
M
1/10
W
R7
5
4
DGND
1
0
V
1
0
U
F
C8
9
2
T
X
+
T
X
-
1
0
0
N
F
C8
9
3
6E3>
7C3<
DGND
DGND
R
C
L
A
M
P
0
504F
D1
1
2
3
4
5
6
1
6
V
1
0
N
F
S
S
C
1
DGND
1
6
V
1
0
N
F
S
S
C
2
BS -RUR0200
SS CN1
1
2
3
4
5
6
7
8
9
10
MGND1
MGND2
MGND3
MGND4
MGND5
MGND6
DGND DGND
1
0
N
F
1
6
V
C4
3
2
B
S
-R
B
1
0
1
1
9
WCN2
1
2
3
4
5
6
7
8
MG
ND1
MGND2
1OH M
WR1
1OH M
WR2
DGND
1
0
N
F
1
6
V
C4
3
3
DGND
US
B
_
D
+
US
B
_
D
-
WI5
V
DG
ND
_
5
DG
ND
W_
5
10022H
S-
05C
WCN1
1
2
3
4
5
DGND
1KOH
M
1/10W
R3
8
220N
F
16V
C7
3
2
4.7KOH
M
1/10W
R7
5
5
10KOHM
R7 9
DGND
1
0
V
1
0
U
F
C8
9
0
1
0
V
1
0
U
F
C8
9
1
IC16
1
2
3
4
5
6
16.5KOH
M
1/10W
R7
5
2
DGND
1
0
V
1
0
U
F
C8
9
4
1
0
0
N
F
C8
9
5
8E9>
ILIM
OUT
/FAULT
EN
GND
IN
ILIM
OUT
/FAULT
EN
GND
IN
M
D
I[0
]-
M
D
IO
M
D
I[0
]+
M
D
I[1
]+
COL/S NI
RXER /FXEN
LED1/PH YAD[1]
CR S/ RP TR/CR S_ DV
T
X
D
1
TXD0
TXC
DVDD33
PWOUT 12D
RXD3
CKXTAL1
RXD2
RXD1
RXD0
RX
DV
AV
DD
33
PWOUT
12A
RS
ET
CKXTAL2
AVDD33
M
D
C
PH
YR
ST
B
RXC
T
X
D
3
T
X
D
2
T
X
E
N
LE
D0/
PH
YA
D[
0]
M
D
I[1
]-
WIFI NOT INCLUDE : SS ~
RTL820 1E
WIFI INCLUDE : W~
WIFI DONGLE
OP TION
WI-FI CO N
WIFI OP TION
E3
.3V_P W
E3 .3V_P W
E3 .3V_PW
U5.1V_PW
U5.1V_P W
U5.1V_P W
U5.1V_P W
D3.3V_P W
E3 .3V_P W
DGN
D
NC
NC
NC
4.7KOHM
1/16 W
1/16 W
4.7KOHM
1/16 W
4.7KOHM
NC
4.7 KOHM
1/1 6W
4.7 KOHM
1/1 6W
1/1 6W
4.7 KOHM
6.3V
10UF
16V
100NF
16V
100NF
DGND
50 00MA
0.0 1OHM
NC
NC
1/10 W
0OHM
NC
33 OHM
1/16 W
33 OHM
1/16 W
1/16 W
33 OHM
1/16 W
33 OHM
33 OHM
1/16 W
1/16 W
33 OHM
DGND
10V
100NF
33OHM
33OHM
33O
HM
3
3
O
H
M
3
3
O
H
M
3
3
O
H
M
3
3
O
H
M
0OHM
1/8W
DGND
1/16
W
33OHM
2.49KOHM
1/10W
16V
100NF
6.3V
10UF
1K
OH
M
1/10
W
1
.5
K
O
H
M
1
/1
6
W
1/16W
33OHM
1/16W
33OHM
1/16W
33OHM
16V
100NF
6.3V
10UF
16V
100NF
16V
100NF
DGND
DGND
DGND
DGND
L
O
P
IV
A
1
6
G
0
5
1
2
V
L
O
P
IV
A
1
6
G
0
5
1
2
V
NC
0OHM
DGND
1
2
V
L
O
P
IV
A
1
6
G
0
5
1
2
V
L
O
P
IV
A
1
6
G
0
5
2
5
M
H
Z
50V
24PF
50V
24PF
DGND
16V
220N
F
10KOHM
4.7KOH
M
1/10
W
1
0
V
1
0
U
F
DGND
1
0
V
1
0
U
F
16.5
KOH
M
1/10
W
DGND
F
U
0
1
V
0
1
1
0
0
N
F
DGND
DGND
R
C
L
A
M
P
0
504F
1
6
V
1
0
N
F
DGND
1
6
V
1
0
N
F
BS -RUR0200
DGND DGND
1
0
N
F
1
6
V
B
S
-R
B
1
0
1
1
9
1OH M
1OH M
DGND
1
0
N
F
1
6
V
DGND
10022H
S-
05C
DGND
1KOH
M
1/10W
220N
F
16V
4.7KOH
M
1/10W
10KOHM
DGND
1
0
V
1
0
U
F
1
0
V
1
0
U
F
16.5KOH
M
1/10W
DGND
F
U
0
1
V
0
1
1
0
0
N
F
R430
R429
R428
R435
R434
R436
R433
R427
R426
R489
C408
C409
C410
BD41
R431
R432
R443
R465
R467
R466
R461
R462
R463
R464
C423
R468
R469
R470
R4
7
1
IC41
R4
7
2
R4
7
3
R4
7
4
R451
R452
R4 53
C4 22
C4 21
R
3
0
R4
7
5
R4 78
R4 79
R4 80
C4 26
C4 27
C4 31
C4 28
V
T
4
3
V
T
4
4
R4 82
R4 83
V
T
4
5
V
T
4
6
FT66
R4
8
4
X
4
1
C4 30
C4 29
RX
-
RX
+
C7
3
1
R8 6
R7
5
3
C8
8
8
C8
8
9
IC10
FT65
R7
5
4
C8
9
2
T
X
+
T
X
-
C8
9
3
D1
S
S
C
1
S
S
C
2
SS CN1
C4
3
2
WCN2
WR1
WR2
C4
3
3
US
B
_
D
+
US
B
_
D
-
WI5
V
DG
ND
_
5
DG
ND
W_
5
WCN1
R3
8
C7
3
2
R7
5
5
R7 9
C8
9
0
C8
9
1
IC16
R7
5
2
C8
9
4
C8
9
5
7C3>
7C3>
7C3>
7
C
3
>
7
C
3
>
7C3>
7C3<
7C3<
7C3<
7C3<
7C3<
7B4>
7C3<
7B4>
7B4>
7B4>
14E10<
7A4<
8F8>
14F11<
7C3<>
7C3<
7C3<
7C3<
6E3> 7C3<
8E9>
LED0_ AD0
LED1_ AD1
I_MAC_RX_DV
O_MAC
_TX
D1
O
_
M
A
C
_
M
D
C
O_MA
C_
T
X
_
E
N
O_M
A
C_
T
X
D
3
O_MAC
_
T
X
D
2
L
E
D
0
_
A
D
0
I_MAC_RX_ER
I_MAC_RX_COL
I_MAC_RX_CR S
I_MAC_RXD1
I_MAC_RXD3
I_MAC_RXD2
I_MAC_RXD0
O_MAC_TXD0
I_MAC_TX_CLK
I_MAC_RX_CLK
B_MAC_MDIO
VBUS1_ FAULT
I_MAC
_RX_
DV
USB1 _VBUSVALID
ETHER_RX-
E
E
MRS T
US B0_VBUS VALID
VBUS 0_FAULT
ETHER_TX-
LED1_AD1
I_MAC_ RX_ER
I_MAC_ RX_CRS
I_MAC_ RX_COL
US B1_P WR
HU1-_US B
HU1+_US B
I_MAC_ RX_CLK
HU1+_WIFI
HU1-_WIFI
US B5V_P W0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
1
2
2
2
3
2
4
25
26
27
28
29
30
31
32
MGND1
1
2
3
4
1
2
3
4
5
6
1
2
3
4
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
MGND2
MGND3
MGND4
MGND6
1
2
3
4
5
6
7
8
MG
ND1
MGND2
1
2
3
4
5
1
2
3
4
5
6
ILIM
OUT
/FAULT
EN
GND
IN
ILIM
OUT
/FAULT
EN
GND
IN
M
D
I[0
]-
M
D
IO
M
D
I[0
]+
M
D
I[1
]+
COL/S NI
RXER/FXEN
LED1/P HYAD[1]
CRS /RP TR/CRS _DV
T
X
D
1
TXD0
TXC
DVDD33
P WOUT12D
RXD3
CKXTAL1
RXD2
RXD1
RXD0
RX
DV
AV
DD
33
P
W
O
U
T
12A
R
S
E
T
CKXTAL2
AVDD33
M
D
C
P
H
Y
R
S
T
B
RXC
T
X
D
3
T
X
D
2
T
X
E
N
LE
D
0/
P
H
Y
A
D
[0
]
M
D
I[1
]-
P
OWER
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6-9