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STD Seeeduino Mega

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Update time: 2021-10-16 07:33:18
Creation time: 2016-01-12 03:02:24
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][1] 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: 71*53*11.3 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][2] 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. [1]: /editor/20160112/56946ce335cc9.png [2]: /editor/20160112/56946d0d6ec7f.png
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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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