Arduino_MEGA_2560 Rev3.sch Arduino Mega2560 R3 Schematic
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3x2M
+5V
GND
+5V
GND
8x1F-H8.5
GND
+5V
GND
47u 47u
GND GND
GND
GND
GREEN
GND
+5V
M7
GND
NCP1117ST50T3G
100n
GND
100n
100n
8x1F-H8.5
8x1F-H8.5
+3V3
+5V
+5V
ATMEGA2560-16AU
100n100n
8x1F-H8.5
22p
+5V
GND
100n
GND
1u
YELLOW
YELLOW
USB-B_TH
MF-MSMF050-2 500mA
+5V
100n
GND
YELLOW
GND
100n
FDN340P
GND
100n
GND
+5V
100n
+5V
GND
1u
+5V
ATMEGA16U2-MU
3x2M
+5V
GND
GND
GND
BLM21
CG0603MLC-05E
CG0603MLC-05E
CSTCE16M0V53-R0 16MHZ
GND
1M
1k
1k
1k
1k
10K
10K
10K10K
10K
10K
10K
10K
1k
1k
1k
1k
22R
22R
22R
22R
TS42031-160R-TR-7260
1M
GND
16MHz
22p 22p
GND
2x2M - NM
LMV358IDGKR
LMV358IDGKR
CD1206-S01575
18x2F-H8.5
+5V
GND
10x1F-H8.5
8x1F-H8.5
CD1206-S01575
ICSP
1 2
3 4
5 6
1
2
3
4
5
6
7
8
PWML
PC1 PC2
ON
D1
1
1
2
2
33
1
IN
3OUT 4
2
IC1
C3
C6
C2
1
2
3
4
5
6
7
8
ADCL
1
2
3
4
5
6
7
8
COMMUNICATION
GND
GND
GND
VCC
VCC
VCC
(A8)PC0 53
(A9)PC1 54
(A10)PC2 55
(A11)PC3 56
(A12)PC4 57
(A13)PC5 58
(A14)PC6 59
(A15)PC7 60
(AD0)PA0 78
(AD1)PA1 77
(AD2)PA2 76
(AD3)PA3 75
(AD4)PA4 74
(AD5)PA5 73
(AD6)PA6 72
(AD7)PA7 71
(ADC0)PF0 97
(ADC1)PF1 96
(ADC2)PF2 95
(ADC3)PF3 94
(ADC4/TCK)PF4 93
(ADC5/TMS)PF5 92
(ADC6/TDO)PF6 91
(ADC7/TDI)PF7 90
(ALE)PG2 70
(CLKO/ICP3/INT7)PE7 9
(ICP1)PD4 47
(MISO/PCINT3)PB3 22
(MOSI/PCINT2)PB2 21
(OC0A/OC1C/PCINT7)PB7 26
(OC0B)PG5 1
(OC1A/PCINT5)PB5 24
(OC1B/PCINT6)PB6 25
(OC2A/PCINT4)PB4 23
(OC3A/AIN1)PE3 5
(OC3B/INT4)PE4 6
(OC3C/INT5)PE5 7
(RD)PG1 52
(RXD0/PCIN8)PE0 2
(RXD1/INT2)PD2 45
(SCK/PCINT1)PB1 20
(SCL/INT0)PD0 43
(SDA/INT1)PD1 44
(SS/PCINT0)PB0 19
(T0)PD7 50
(T1)PD6 49
(T3/INT6)PE6 8
(TOSC1)PG4 29
(TOSC2)PG3 28
(TXD0)PE1 3
(TXD1/INT3)PD3 46
(WR)PG0 51
(XCK0/AIN0)PE2 4
(XCK1)PD5 48
AGND
99
AREF
98
AVCC
100
GND
11
32
62
81
PH0(RXD2)
12 PH1(TXD2)
13 PH2(XCK2)
14 PH3(OC4A)
15 PH4(OC4B)
16 PH5(OC4C)
17 PH6(OC2B)
18 PH7(T4)
27
PJ0(RXD3/PCINT9)
63 PJ1(TXD3/PCINT10)
64 PJ2(XCK3/PCINT11)
65 PJ3(PCINT12)
66 PJ4(PCINT13)
67 PJ5(PCINT14)
68 PJ6(PCINT15)
69 PJ7
79
PK0(ADC8/PCINT16)
89 PK1(ADC9/PCINT17)
88 PK2(ADC10/PCINT18)
87 PK3(ADC11/PCINT19)
86 PK4(ADC12/PCINT20)
85 PK5(ADC13/PCINT21)
84 PK6(ADC14/PCINT22)
83 PK7(ADC15/PCINT23)
82
PL0(ICP4)
35 PL1(ICP5)
36 PL2(T5)
37 PL3(OC5A)
38 PL4(OC5B)
39 PL5(OC5C)
40 PL6
41 PL7
42
RESET
30
VCC
10
31
61
80
XTAL1
34
XTAL2
33
IC3
C5C4
1
2
3
4
5
6
7
8
ADCH
C1
C8
C13
RX
TX
X2
1
2
3
4
P$1
P$1 P$2
P$2
F1
C9
L
C7
T1
C12
C11
21
RESET-EN
C10
IC4
(AIN0/INT1)PD1 7
(AIN2/PCINT11)PC2 5
(CTS/HWB/AIN6/TO/INT7)PD7 13
(INT4/ICP1/CLK0)PC7 22
(INT5/AIN3)PD4 10
(OC0B/INT0)PD0 6
(OC1A/PCINT8)PC6 23
(PCINT5)PB5 19
(PCINT6)PB6 20
(PCINT7/OC0A/OC1C)PB7 21
(PCINT9/OC1B)PC5 25
(PCINT10)PC4 26
(PD0/MISO/PCINT3)PB3 17
(PDI/MOSI/PCINT2)PB2 16
(RTS/AIN5/INT6)PD6 12
(RXD1/AIN1/INT2)PD2 8
(SCLK/PCINT1)PB1 15
(SS/PCINT0)PB0 14
(T1/PCINT4)PB4 18
(TXD1/INT3)PD3 9
(XCK/AIN4/PCINT12)PD5 11
AVCC
32
D+
29 D-
30
GND
3
PAD
33
RESET(PC1/DW)
24
UCAP
27
UGND
28
UVCC
31
VCC
4
XTAL1
1
XTAL2(PC0)
2
ICSP1
1 2
3 4
5 6
L1
Z1
Z2
21
GROUND
Y1
R1
RN4A
1 8
RN4B
2 7
RN4C
3 6
RN4D
4 5
RN5A
1 8
RN5B
27
RN5C
3 6
RN5D
4 5
RN1A
1 8
RN1B
2 7
RN1C
3 6
RN1D
4 5
RN3A
1 8
RN3B
27
36
RN3C
4 5
RN3D
RN2A
18
RN2B
2 7
RN2C
3 6
RN2D
45
RESET
1
2
3
4
5
R2
IN
1
ON/OFF
3
NC/FB 4
OUT 5
GND
2
Y2
2 1
C14 C15
JP5
1 2
3 4
IC7A
2
3
1
IC7B
6
5
7
84
D3
XIO
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
JP6
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
POWER
D2
+5V
+5V
GND
AREF
AREF
AREF
RESET
RESET
RESET
RESET
RESET
VIN
VIN
VIN
M8RXD
M8RXD
M8TXD
M8TXD
PWRIN
ADC0
ADC2
ADC1
ADC3
ADC4
ADC5
ADC6
ADC7
+3V3
+3V3
+3V3
SDA
SDA
SDA
SCL
SCL
SCL
ADC9
ADC8
ADC10
ADC11
ADC12
ADC13
ADC14
ADC15
PB3
PB3
PB3
PB2
PB2
PB2
PB1
PB1
PB1
PB5
PB4
PE5
PE5
PE4
PE4
PE3
PE3
PE1 PE1
PE1
PE0 PE0
PE0
DTR
USBVCC
USBVCC
USBVCC
GATE_CMD
CMP
PB6
PH3
PH3
PH4
PH4
PH5
PH5
PH6
PH6
PG5
PG5
RXD1
TXD1
RXD2
RXD2
RXD3
RXD3
TXD2
TXD2
TXD3
TXD3
PC0
PC0
PC1
PC1
PC2
PC2
PC3
PC3
PC4
PC4
PC5
PC5
PC6
PC6
PC7
PC7
PB0
PB0
PG0
PG0
PG1
PG1
PG2
PG2
PD7PD7
PA0
PA0
PA1
PA1
PA2
PA2
PA3
PA3
PA4
PA4
PA5
PA5
PA6
PA6
PA7
PA7 PL0
PL0
PL1
PL1
PL2
PL2
PL3
PL3
PL4
PL4
PL5
PL5
PL6
PL6 PL7PL7
PB7
VUCAP
RD-
RD-
RD+
RD+
RESET2
RESET2
MISO2
MISO2
MOSI2
MOSI2
SCK2
SCK2
XVCC
RXL
TXL
D-
D+
UGND
UGND
USHIELD
XTAL2
XTAL1
XTAL1
XT2
XT1
8PB7
8PB6
8PB5
8PB4
L13
+
+
X1
POWERSUPPLY_DC21MMX
USB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
Arduino MEGA 2560
15
16
17
18
19
20
21
14
(SCK)
(MISO)
(MOSI)
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
pwm
(TX0)
(RX0)
51 5253
pwm
pwm
pwm
pwm
pwm
(MISO)
(SCK)
(MOSI)
(SS)
(MOSI)
(SCK)
(MISO)
2223 2425 2627 2829 30
32
34
36
31
33
35
37
49
47
45
43
41
39
50
48
46
44
42
40
38
pwm
pwm
pwm
pwm
pwm
USB boot En
TM
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