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9
11
12
4
3
78 77
24
23
18
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14
13
5
6
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8
10
79
80
1
2
22
21
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19
25
76
PIC32MX795F512L
81
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10
0
RB
11
RB
10
RB
9
RB
8
RB
13
RB
12
RE7
RC1
RC2
RC3
RD9
RD8
RA15
D+/RG2
RB
15
RB
14
RF8
VBUS
VUSB
D-/RG3
VS
S
VD
D
RA
6
R
G
0
R
G
1
R
E0
R
F1
R
F0
R
D
7
R
D
6
RE6
RE5
R
E2
R
G
13
R
G
12
R
G
14
R
E1
RA
7
RG8
RA
9
RB2
RB3
RB4
RB5
RE9
RE8
RD11
RD10
RF2
RF3
RG9
RG7
RG6
RA
1
R
E3
R
E4
RG15
VDD
RB
7
RB
6
RB0
RB1
RF
4
RF
5
RA14
RA5
RD
14
RD
15
RA2
RF
13
VD
D
RA3
VDD
VD
D
RA0
VDD
VSS
VS
S
RF
12
RA4
VSS
VC
AP
/V
D
D
CO
R
E
AV
SS
AV
D
D
RA
10
MCLR
RC4
OSC1/RC12
OSC2/RC15
RD0
R
D
3
R
D
1
SOSCI/RC13
SOSCO/RC14
VSS
R
D
2
R
D
12
R
D
13
R
D
4
R
D
5
U18
VCC-3.3V
LAN-RXD1
LAN-RXD0
LAN-CRS_DV
LAN-MDIO
LA
N
-T
XD
0
LAN-TXEN
LAN-RST#
LAN-CLKO
LAN-MDC
LA
N
-T
XD
1
LAN-RXER
VCC-ADC
OSC1
OSC2
SOSCI
SOSCO
E10
10uF
2
3
4
5
6
7
11 12
13
14
24 23 22 21
18
17
16
15
8
1
19
9 10
20
VDD2A
LED1
LED2
XTAL2
XTAL1
VDDCR
RX
D
1
RX
D
0
VD
D
IO
RX
ER
CR
S_
D
V
M
D
IO
MDC
REFCLKO
nRST
TXEN
TXD0
TXD1
TX
P
RX
P
R
bi
as
R
XN
TX
N
VD
D
1A
LAN8720A
GND
U10
LA
N
-T
X_
P
LA
N
-T
X_
N
LA
N
-R
X_
P
LA
N
-R
X_
N
LAN-TX_P
LAN-TX_N
LAN-RX_P
LAN-RX_N
R2
12K1
LAN-LED1
LAN-LED2
LAN-TXD1
LAN-TXD0
LAN-TXEN
LAN-RST#
LAN-CLKO
LA
N
-R
XD
1
LA
N
-R
XD
0
LA
N
-C
RS
_D
V
LAN-MDC
LA
N
-M
D
IO
C122
100nF
C121
2.2uF
R90 1.5K
R9
1
27
R9
2
27
R9
3
27
R39
27
R82
27
R83
27
R86
10K
VCC-ETH
LD6
LD5
R89
220
ACTIVE
LINK
R85
1M
X6
25MHz
C120
22pF
C119
22pF
R87
220
R84
10K
LA
N
-R
XE
R
VCC-ETH
FP6
C118
100nF
VCC-3.3V
C131
100nF
VCC-ETH
C153
100nF
E11
10uF
VCC-3.3V
VCC-5V
HDR1
M1X26
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
OSC1
OSC2
SOSCI
SOSCO
X5
32.768KHz
C109
22pF
C110
22pF
X4
16MHz
C107
22pF
C108
22pF
C133
1uF
C135
10nF
FP4
VCC-ADC
VCC-3.3V
C134
100nF
VCC-3.3V
C111
100nF
C112
100nF
C113
100nF
C114
100nF
C115
100nF
C116
100nF
C117
100nF
VCC-3.3V
C124
1uF
C125
1uF
C126
1uF
C127
10nF
C128
10nF
C129
10nF
Figure 15-2: Ethernet transceiver module schematic
Содержание MIKROE-1399
Страница 54: ...Page 54 Notes...