100-pin TQFP PT ETHERNET with
PIC32MX795F512L
v7
Card information
The ETHERNET MCU card is shown on Figure 4-1. It contains PIC32MX795F512L microcontroller with on-chip peripherals and is a great choice for both beginners and
professionals. After testing and building the nal program, this card can also be taken out of the board socket and used in your nal device.
PIC32MX795F512L has 80MHz maximum frequency, 512K bytes of
1
program memory (ash), 128K bytes of data memory. It has integrated
Ethernet controller, USB (OTG, Host, Device), 85 General purpose I/O pins,
5 16-bit timers, 16 Analog Input pins (ADC), 6 UARTs, internal 8 MHz and
32kHz oscillators, internal Real time clock (RTC), 5 I2C, 4 SPI and 2 CAN
controllers. It also contains 3 analog comparators and two programming and
5
4
debugging interfaces.
8MHz crystal oscillator. We carefully chose the most convenient crystal
2
value that provides clock frequency which can be used directly, or with the PLL
multipliers to create higher MCU clock value. MCU card also contains 32.768 kHz
crystal oscillator which provides external clock waveform for RTCC module.
page 2
1
3
Figure 4-1: MCU card with PIC32MX795F512L
USB communications lines. These two jumpers, when in USB position, connect
3
D+ and D- lines of the on-board USB connector with RG2 and RG3 microcontroller
pins. Since PIC32MX795F512L supports USB, jumpers are in USB position.
2
4
Ethernet transceiver. This MCU card contains single-chip Ethernet physical
(PHY) layer transceiver which provides additional Ethernet functionality to
PIC32MX795F512L controller
25MHz crystal oscillator. This crystal oscillator is connected to external
5
Ethernet module.
v7
E3
10uF
VCC
E4
10uF
VCC
E1
10uF
VCC
E2
10uF
VCC
27 28
29
303132
3334353637 38
39
40
41
42
43 44
45
46474849505152
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_I N
OSC32_O UT
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_MDI O
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_RXE R
RG8_ETH
RF0_ETH
RF1_ETH
RD6_ETH
R1
1M
C14
100nF
TXPTXN
RXPRXN
X3
25MHz
C16
22pF
C15
22pF
75
74
73
72
7170696867
66
646563
626160
595857
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
567
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/RC 12
OSC2/RC 15
RD0
RD3
RD1
SOSCI/R C13
SOSCO/R C14
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_MD C
RD8_MDI O
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 RE 9
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 G ND
VCC G ND
NC
RG3RG2
MCU_MO SI
MCU_MIS O MC U_S CK
RA2
RA3RA4
RA5RA14
RA15
RD0
RD9RD10
RF3NC
USB-D_NUSB-D_P
USB-VBUS
MCU_MO SI
MCU_MIS O
MCU_SCK
v7
Figure 2: MCU card schematic
page 3
2000 mils
2200 mils
2000 mils
2200 mils
2405 mils
940 mils
100 mils
Card dimensions
Figure 3: MCU card dimensions.
page 4
v7
If you want to learn more about our products, please visit our website at www.mikroe.com
If you are experiencing some problems with any of our products or just need additional
information, please place your ticket at www.mikroe.com/esupport
If you have any questions, comments or business proposals,
do not hesitate to contact us at oce@mikroe.com
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