User manual

E3
10uF
VCC
E4
10uF
VCC
E1
10uF
VCC
E2
10uF
VCC
27 28 29
30
31
32
33
34
35
36
37 38
39
40
41
42
43 44
45
46
47
48
49
50
51
52
HD2
79
80
8182
8384
8586
8788 8990
9192
9394 95
96
9798
99
100
101
102
103104
HD3
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
HD1
5354
5556
5758
5960
6162
6364
6566
6768
6970
7172
7374
7576
7778
HD4
VCC GND
VCCGND
VCCGND
GND
VCCGND
C1
100nF
VCC
C2
100nF
VCC
C3
100nF
VCC
C4
100nF
VCC
C5
100nF
VCC
C6
100nF
VCC
C7
100nF
VCC
OSC2
OSC1
X18MHz
C11 22pF
C10 22pF
X2 32.768KHz
C8 22pF
C9 22pF
OSC32_IN
OSC32_OUT
RG3/DM
RG2/DP
RG3
RG2
J1
J2
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
RXD1 RXD0
VDDIO RXER CRS_DV
MDIO
MDC
nINT
RST#
TXEN
TXD0
TXD1
TXP
RXP
Rbias
RXN
TXN
VDD1A
LAN8720A
GND
U2
TXP
TXN
RXP
RXN
R2
12K1
FP1
VCC
LED1
LED2
LED1 LED2
TXD1
TXD0
TXEN
RG7_RST#
REFCLK
RXD1 RXD0
CRS_DV
TXD1
TXD0
TXENRD11_MDC
RXD1
RXD0
CRS_DV
RD8_MDIO
C13
100nF
C12
2.2uF
R3 1K5
VCC
R4 27
R5 27
R6 27
R7 27
R8 27
R9 27
RB12_ETH
RB13_ETH
RB11_RXER
RG8_ETH
RF0_ETH
RF1_ETH
RD6_ETH
R1
1M
C14
100nF
TXPTXN
RXPRXN
X3
25MHz
C16
22pF
C15
22pF
75
74
73 72
71
70
69 68 67
66
64
65
63
62 61 60 59
58
57 56
55
54
53 52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
9
11 12 4
3
78
77
24 23
18
17
16
15
14
13
5
6
7
8 10
79
80
1
2
22 21
20 19
25
76
PIC32MX795F512L
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
RB11
RB10
RB9
RB8
RB13
RB12
RE7
RC1 RC2 RC3
RD9
RD8
RA15
D+/RG2
RB15
RB14
RF8 VBUS VUSB D-/RG3
VSS
VDD
RA6
RG0
RG1
RE0
RF1
RF0
RD7
RD6
RE6
RE5
RE2
RG13
RG12
RG14
RE1
RA7
RG8
RA9
RB2 RB3 RB4 RB5
RE9
RE8
RD11
RD10 RF2 RF3
RG9 RG7 RG6
RA1
RE3
RE4
RG15
VDD
RB7
RB6
RB0 RB1
RF4
RF5
RA14 RA5
RD14
RD15
RA2
RF13
VDD
RA3
VDD
VDD
RA0
VDD
VSS
VSS
RF12
RA4
VSS
VCAP/VDDCORE
AVSS
AVDD
RA10
MCLR
RC4
OSC1/RC12
OSC2/RC15
RD0
RD3
RD1
SOSCI/RC13 SOSCO/RC14
VSS
RD2
RD12
RD13
RD4
RD5
U1
VCC
R10 27REFCLK RG9_ETH
E5
10uF
RG3/DM RG2/DP
RA2
RA3 RA4 RA5 RA14 RA15
RD0
RD9
RD10
RB12_ETH
RB13_ETH
RG8_ETH
RF0_ETH
RF1_ETH
RD6_ETH
RG9_ETH
RG7_RST#
RD11_MDC
RD8_MDIO
RB11_RXER
RB6
RB7
RA9
RA10
RB8
RB9
RB10
RA1
RF13
RF12
RB14
RB15
RD14
RF4
RF5
RF3
RE4
RE3
RE2
RG13
RG12
RG14
RE1
RE0
RA7
RA6
RG0
RG1
RD7
RD5
RD4
Vcap
RD13
RD12
RD3
RD2
RD1
RG6
RC4
RC3 RC2
RC1
RE7 RE6 RE5
RG15
RA0
RE8 RE9 RB5
RB4
RB3 RB2 RB1 RB0
MCLR#
RB6 RB7
RA9 RA10
RB8 RB9
RB10
RA1RF13
RF12
RB14
RB15RD14
RF4 RF5
RG6
RC4RC3
RC2RC1
RE7RE6
RE5RG15
RA0
RE8 RE9 RB5 RB4
RB3 RB2 RB1 RB0
MCLR#
RE4RE3
RE2RG13
RG12RG14
RE1RE0
RA7RA6
RG0RG1
RD7
RD5 RD4
RD13 RD12
RD3RD2
RD1
USB-VBUS
USB-D_N
USB-D_P
VCC GND VCC GND
NC
RG3RG2
MCU_MOSI
MCU_MISO MC U_SCK RA2
RA3RA4
RA5RA14
RA15
RD0
RD9RD10
RF3NC
USB-D_NUSB-D_P
USB-VBUS
MCU_MOSI MCU_MISO
MCU_SCK
Figure 2: MCU card schematic
page 3
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