Schematic
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
AD 6x1F-H8.5
C1
100n
C2
100n
C3
1u
C4
100n
C5
100n
C6
100n
D1
M7
D2
CD1206-S01575
F1
MF-MSMF050-2 500mA
GNDGND GNDGND
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
IOL 8x1F-H8.5
L
YELLOW
L1
BLM21
ON
GREEN
+
PC1
47u
+
PC2
47u
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
POWER 8x1F-H8.5
R2
1M
1 21 2
RESET-EN
*
RX
YELLOW
T1
FDN340P
TX
YELLOW
1
IN
3
OUT
4
2
U1
NCP1117ST50T3G
GND
2
IN
1
NC/FB
4
ON/!OFF
3
OUT
5
U2
LP2985-33DBVR
3
2
1
U5A
LMV358IDGKR
5
6
7
U5B
LMV358IDGKR
84
V+V-
*
1
1
2
2
3
3
X1
POWERSUPPLY_DC21MMX
*
CSTCE16M0V53-R0 16MHZ
Z1
CG0603MLC-05E
Z2
CG0603MLC-05E
+3V3
+3V3
+3V3
AD4/SDA
AD5/SCL
AREF
AREF
CMP
DTR
GATE_CMD
L13
M8RXD
M8TXD
MISO
MOSI
PWRIN
RESET
SCK
SCK
SS
UGND
USBVCC
USBVCC
USHIELD
VIN
VIN
VIN
XTAL1
XTAL2
XUSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
USB boot En
VCC
1
D-
2
D+
3
ID
4
VSS
5
6
7
8
J1 USB_M
D-
D+
C7
100n
C8
1u
D3
CD1206-S01575
1 21 2
GROUND
*
1 2
3 4
5 6
ICSP1
3x2 M
1 2
3 4
1 2
3 4
JP2
2x2 M - NM
R1
1M
(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
U3
ATMEGA16U2-MU(R)
D+
D-
MISO2
MISO2
MOSI2
MOSI2
PB4
PB5
PB6
PB7
RD+
RD-
RESET2
RESET2
SCK2
SCK2
TP_VUCAPUGND
USBVCC
XT1 XT1
XT2
GND
GND
UGND
GND
+5V
GND
GND
+5V
M8RXD
M8TXD
RXLED
TXLED
+5V
GND
GND+5V
GND
GND GND GND GND
+5V
+5V
GND
GND
+5V
GND GND
GND
PC6 (RESET/PCINT14)
29
PD0 (RXD/PCINT16)
30
PD1 (TXD/PCINT17)
31
PD2 (INT0/PCINT18)
32
PD4 (PCINT20/XCK/T0)
2
VCC
6
GND
5
PB6 (PCINT6/XTAL1/TOSC1)
7
PB7 (PCINT7/XTAL2/TOSC2)
8
PD5 (PCINT21/OC0B/T1)
9
PD6 (PCINT22/OC0A/AIN0)
10
PD7 (PCINT23/AIN1)
11
PB0 (PCINT0/CLKO/ICP1)
12
PB1 (PCINT1/OC1A)
13
PB2 (PCINT2/SS/OC1B)
14
PB3 (PCINT3/OC2A/MOSI)
15
PB4 (PCINT4/MISO)
16
PB5 (SCK/PCINT5)
17
AVCC
18
AREF
20
GND
21
PC0 (ADC0/PCINT8)
23
PC1 (ADC1/PCINT9)
24
PC2 (ADC2/PCINT10)
25
PC3 (ADC3/PCINT11)
26
PC4 (ADC4/SDA/PCINT12)
27
PC5 (ADC5/SCL/PCINT13)
28
GND
3
VCC
4
ADC6
19
ADC7
22
PD3 (PCINT19/OC2B/INT1)
1
U4
ATmega328P-AU
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
RXD
TXD
RXD
TXD
AD0
AD1
AD2
AD3
AD4/SDA
AD5/SCL
RESET
AD6
AD7
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
IOH 10x1F-H8.5
GNDGND
+5V
GND
GND
+5V
GND
RESET
+5V
MISO
MOSISCK
1 2
3 4
5 6
ICSP
3x2 M
+5V
GND
GND
RESET
SW-PB
RESET
1 2
3 4
5 6
7 8
JPowerExt
HEADER 4X2
+5VGND
AD6
AD7
1
2
3
IOREF
+5V
C9
22p
C11
22p
12
Y1
16MHz
1 8
RN1A
10K
27
RN1B
10K
1 8
RN2A
1K
3 6
RN4C
1K
4 5
RN4D
1K
2 7
RN3B 22R
3 6
RN3C 22R
45
RN2D
1K
4 5
RN1D
10K
27
RN2B
1K
36
RN2C
1K
18
RN4A 1K
27
RN4B 1K
18
RN3A
22R
45
RN3D
22R
36
RN1C
10K
OSEPP Uno R4
(Arduino Compatible)
OSEPP-UNO-04
TITLE:
OSEPP Uno R4
DATE: 2016/04/10