Datasheet

Page 41
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
4
0
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 9
1
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/VDDC
O
RE
AVSS AVDD
RA10
MCLR
RC4
OSC1/RC12
OSC2/RC15
RD0
RD3
RD1
SOSCI/RC13
SOSCO/RC14
VSS
RD2
RD12
RD13
R
D4
RD5
U18
VCC-3.3V
LAN-RXD1
LAN-RXD0
LAN-CRS_DV
LAN-MDIO
LAN-TXD0
LAN-TXEN
LAN-RST#
LAN-CLKO
LAN-MDC
LAN-TXD1
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
RXD1 RXD0 VDDIO RXER
CRS_DV
MDIO
MDC
REFCLKO
nRST
TXEN
TXD0
TXD1
TXP
RXP
Rbias
RXN
TXN
VDD1A
LAN8720A
GND
U10
LAN-TX_P
LAN-TX_N
LAN-RX_P
LAN-RX
_
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
LAN-RXD1 LAN-RXD0
LAN-CRS_DV
LAN-MDC
LAN-MDIO
C122
100nF
C121
2.2uF
R90 1.5K
R91 27 R92 27 R93 27
R3927
R8227
R8327
R86
10K
VCC-ETH
LD6LD5
R89
220
ACTIVELINK
R85
1M
X6
25MHz
C120
22pF
C119
22pF
R87
220
R84
10K
LAN-RXER
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