A000046 Arduino, A000046 Datasheet
A000046
Manufacturer Part Number
A000046
Description
MCU, MPU & DSP Development Tools Uno
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000046
Processor To Be Evaluated
ATmega328
Interface Type
USB, I2C, SPI
Dimensions
2.7 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega328
Arduino UNO Reference Design
Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS". Arduino DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
REGARDING PRODUCTS, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
Arduino may make changes to specifications and product descriptions at any time, without notice. The Customer must not
rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Arduino reserves
these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The product information on the Web Site or Materials is subject to change without notice. Do not finalize a design with this information.
X2
1
2
3
4
USHIELD
XUSB
TM
F1
500mA
D-
D+
100n
C7
USBVCC
22R
22R
GND
8
5
RN3A
RN3D
1
4
+5V
GND
RD-
RD+
ICSP1
ICSP
C8
1u
1
3
5
R1
1M
100n
2
4
6
C1
+5V
GND
RESET2
GROUND
16MHz
XT2
XT1
UGND
VUCAP
USBVCC
RD-
RD+
2
VIN
+5V
1
GND
Y1
GND
XT1
XT2
EXP
XT1R
24
32
27
31
30
29
28
2
1
4
3
USBVCC
U3
ATMEGA8U2-MU
RESET(PC1/DW)
XTAL2(PC0)
XTAL1
AVCC
VCC
GND
UCAP
UVCC
D-
D+
UGND
PAD
+3V3
CMP
3
2
(CTS/HWB/AIN6/TO/INT7)PD7
(PCINT7/OC0A/OC1C)PB7
(XCK/AIN4/PCINT12)PD5
(PD0/MISO/PCINT3)PB3
(PDI/MOSI/PCINT2)PB2
(RXD1/AIN1/INT2)PD2
(INT4/ICP1/CLK0)PC7
U1A
LM358D
(RTS/AIN5/INT6)PD6
(OC1A/PCINT8)PC6
(PCINT9/OC1B)PC5
(AIN2/PCINT11)PC2
(SCLK/PCINT1)PB1
1
+5V
(SS/PCINT0)PB0
(OC0B/INT0)PD0
(T1/PCINT4)PB4
(TXD1/INT3)PD3
(INT5/AIN3)PD4
(AIN0/INT1)PD1
GATE_CMD
(PCINT10)PC4
(PCINT6)PB6
(PCINT5)PB5
XTAL1
XTAL2
+5V
21
20
19
18
17
16
15
14
22
23
25
26
5
13
12
11
10
9
8
7
6
GND
GND
MISO2
MOSI2
SCK2
M8RXD
M8TXD
TXLED
RXLED
5
6
1
3
2
IN
EN
GND
U1B
LM358D
7
NC/FB
TX
YELLOW
RX
YELLOW
OUT
USB boot En
GND
5
4
1
+3V3
UBOOT
1K
1K
5
6
16MHz
2
RN2D
RN2C
1
RESET-EN
GND
Y2
4
3
2
+5V
C3
R2
1M
100n
1u
C6
XTAL2
XTAL1
+5V
GND
+5V
RESET
AREF
+5V
GND
10
21
20
22
1
9
7
8
RESET
+3V3
VIN
M8RXD
M8TXD
ZIC1
ATMEGA8
RESET
XTAL2
XTAL1
AREF
AVCC
AGND
VCC
GND
POWER
1
2
3
4
5
6
1K
1K
GND
(ADC0)PC0)
7
8
(ADC5)PC5
(ADC4)PC4
(ADC3)PC3
(ADC2)PC2
(ADC1)PC1
(MISO)PB4
(MOSI)PB3
(AIN1)PD7
(AIN0)PD6
(INT1)PD3
(INT0)PD2
(RXD)PD0
(SCK)PB5
(OC1)PB1
(TXD)PD1
RN4B
RN4A
ICSP
ICSP
(ICP)PB0
(SS)PB2
(T1)PD5
(T0)PD4
1
3
5
2
1
2
4
6
GND
19
18
17
16
15
14
28
27
26
25
24
23
13
12
11
6
5
4
3
2
GND
+5V
SS
IO9
IO8
AD5
AD4
AD3
AD2
AD1
AD0
IO7
IO6
IO5
IO4
IO3
IO2
IO1
IO0
3
PWRIN
GND
3
AREF
GND
SCK
MISO
SS
MOSI
GND
D1
M7
PC1
47u
C4
100n
AD
IOL
6
5
4
3
2
1
8
7
6
5
4
3
2
1
GND
7
6
5
4
3
2
1
0
VIN
+5V
IOH
RN4D
RN4C
4
3
8
7
6
5
4
3
2
1
1K
1K
5
6
3
3
13
12
11
10
9
8
IC1
IC2
MC33269D-5.0
GREEN
IN
VI
GND
ADJ
OUT
ON
GND
MC33269ST-5.0T3
VO
4
2
2
GND
RN3B
RN3C
2
3
47u
PC2
+5V
+5V
C2
100n
22R
22R
7
6
GND
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