1
1
2
2
3
3
4
4
D D
C C
B B
A A
RXP
RXN
TXP
TXN
SDI
SCK
SCS
RSTI
VCC
VCC
VCC
RXD
CH392F
X1 32MHz
C5
0.1uF
C3
1uF
TXD
C4
0.1uF
C6
2.2uF
LINK
ACT
SDO
SEL
R1
470
VIN
3
GND
1
VOUT
2
U1
LDO -3.3V
C2
1uF
VIN
C1
2.2uF
3V3
3V3
RXP
RXN
TXP
TXN
6
5
3
2
4
1
J8
J7
J6
J5
J4
J3
J2
J1
RX-
TX+
TX-
RX+
4X75 ohms
7
8
9
10
12
11
1000pF
2KV
RD-
RD+
TD-
TD+
NC
GND
P1
HR911105A
3V3
R2
0
3V3
LINK
ACT
POWER ETHERNET
INTERFACE
R3
470
R4
470
D1
LED0
1
2
P3
SEL
GND
3V3
GND
1 2
3 4
5 6
P4
UART
RXD
INT
VIN
TXD
RSTI
GND
1 2
3 4
5 6
7 8
P5
SPI
SCS
SDO
INT
VIN
SCK
SDI
RSTI
GND
1
2
P2
GND
0
NC
1
NC
2
VCC
3
VCC
4
VDD
5
RXD
6
TXD
7
RXP
8
RXN
9
TXP
10
TXN
11
INT
12
NC
13
ACT
14
LINK
15
RSTI
16
NC
17
XO
18
XI
19
VREF
20
NC
21
VCC
22
SEL
23
NC
24
SDO
25
SDI
26
SCK
27
SCS
28
U2
CH392F
INT
NC
VCC
5
RSTH
3
GND
2
HV
1
RSTL
4
VOUT
6
U3
CH410K
3V3
VDD
3V3
VDD
Q1
2301
