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Seeeduino Mega

3 years ago 1090
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Description

Introduction

Seeeduino Mega is a powerful microcontroller derived from Arduino Mega. It features ATmega2560 processor which brings a large number of I/O pins, as much as 70 digital I/O, 16 analog inputs, 14 PWM, and 4 hardware serial ports. Compared to Arduino Mega, we shrunk the volume of Arduino Mega by at least 30% and made it 100% compatible with Seeed Shield products. And as a member of Seeeduino series, Seeeduino Mega inherits deliberate details from Seeeduino, like selectable operating voltage(3.3V/5V), right angle reset button, and so on. Model:ARD121D2P enter image description here

Specifications

Overall Specifications Operating Voltage: 5V / 3.3V Operating Temperature: -20~70℃ Input Voltage: 6-20V DC Current per IO pin: 40mA Flash Memory: 256k SRAM: 8k EEPROM: 4k Dimensions: 715311.3 mm Power Jack: 2.54mm, 2pin JST Peripheral Features Peripheral Features are multiplexed with General Purpose Input/Output [GPIO] Pins, for multiplexing and assignment please check Pin Definitions. For more details on the alternate pin functions please refer to the Atmega2560 datasheet. 8-Bit Timers/Counters: 2 16-Bit Timers/Counters: 4 8-Bit Pulse Width Modulator (PWM): 4 Programmable PWM Channels: 12 Programmable PWM Resolution (Bits): 2 -16 Analog to Digital Input Channels (ADC): 16 ADC Resolution (Bits): 10 Programmable USART Channels: 4 On-Chip Analog Comparator: 1 Master/Slave SPI Interface: 1 Byte Oriented 2 -Wire Serial Interface: 1

Interface enter image description here The following diagram illustrates the placement of important integrated circuits, indicator LEDs, connectors common to all Arduino based development platforms and the ones specific to Seeeduino Mega. Placement-diagram.jpg NOTES Label [5] The Seeeduino Mega uses a 4 Position mini-Type B Jack while the rest of the Arduino family uses standard 4 Position Type B Jack. The Arduino uses circular Power Jack. Label[9] The Seeeduino Mega uses a 2 Pin JST connector for the power supply while the rest of the Arduino family uses coaxial power plugs. Label[3] For the Reset button the Seeeduino Mega uses a an edge mounted push button while other Arduino based platforms uses a four legged tack switch . Yellow Labels are indicator LEDs. Blue Labels are mode selector and reset switches. Brown Labels are items that are common to the Arduino family; this makes the Seeeduino Mega compatible with most Arduino shields. Red Labels are the things that add the MEGA in the Seeeduino, the set includes additional ADC input pins and a bunch of bidirectional IO pins.

Documents

Seeeduino_Mega

Seeeduino_Mega

BOM

ID Name Designator Footprint Quantity
1 DNP 81,01,D22,D30,D38,D46,J8,J9,J10 8P-2.54-6035MIL 9
2 2.54-8P-female 813,07,02 8P-2.54-6035MIL 3
3 ATMEGA2560AU U1 TQFP100 1
4 100n C3,C5 0402 2
5 CK_2X3 UART,ISP 2X3P-2.54-6035MIL 2
6 1k R1,R2,R3,R4,R9,R8,R7 0402 7
7 2.54-6P-female J11,SERIAL 6P-2.54-6035MIL 2
8 FT232R U2 SSOP28 1
9 2.54-4P-female I2C 4P-6035MIL 1
10 TEST_POINT D-,D+,U5V,GND TP_3535 4
11 SWITCH-2CH-6P M_RST_AUTO,3V3_VCC_5V 6P-2CH-2.54-7.6X3.0 2
12 100nF C1,C6,C16,C9 0402 4
13 DC-044-AH J1 DC-404 1
14 10v_10uF C10 0805 1
15 PPTC-500mA F1 1206 1
16 Si2305Ds Q2 SOT23 1
17 M7 D2 D2010 1
18 78M05 U5 TO252 1
19 25v_10uF C11 AVX-B 1
20 10v_22uF C13 AVX-B 1
21 LD1117-3.3 U8 SOT89 1
22 10uF C15 0805 1
23 GREEN L,ON LED-0603 2
24 RED RST,RX,TX LED-0603 3
25 10k R6,R5 0402 2
26 BOTTON-2P RESET 2P-7.62X3.56-90D 1
27 16MHz X1 2P-SMD-5X3.2 1
28 13pF C4,C8 0402 2
29 USB-MINIUSB-5P J2 MINI-SMD-5P 1

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