Microduino Core+ ATMega644

Product Code: MOMDA131
Package Size: 5 x 1 x 7.2 inches
Age Group: 9yr+
Availability: In Stock

Price: MVR 175.00
Excl. GST: MVR 162.04

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Description Specification Related Products (1)

Microduino-Core+ is an 8-bit microcontroller development core board based on Atmel ATmega1284P and ATmega644PA series as the core and it is an open-source controller module compatible with Arduino UNO. Beside Microduino-core+ has the features of Microduino-Core, the number of input and output of Flash, RAM, EEPROM of it has been greatly improved, and the pin conforms to the norms of Microduino, and the players can upgrade core to core+ smoothly, without modifying the arduino code basically.

Microduino uses java and C language development environment, same to Arduino. Players can use Arduino IDE, cooperated with software such as Flash or Processing , with Microduino and other electronic components, modules and sensors to make many funny interactive works.

Features

Strong configuration. Its biggest Flash and SRAM can arrive 128KB and 16KB respectively.
Small, cheap, stackable, and open.
Open source hardware circuit design, and compatible-with Arduino programming development environment;
Same with Arduino, Microduino can use ISP download line to program to 「bootloader」 flexibly;
The unified Microduino interface specification and abundant peripheral modules can be connected and extended with other modules and sensors conformed to the Microduino interface specification conveniently and flexibly;
2.54 spacing mother of interface is convenient to integrate into the hole plate.

Specification

【Extension】Difference between Microduino-Core and Core+

Microduino-Core+According to the different core and clock frequency, there are four different versions at present:

MCU type	Flash	SRAM	EEPROM	Clock frequency	Work voltage
ATmega644PA	64K	4K	2K	16M	5.0V
ATmega644PA	64K	4K	2K	8M	3.3V
Atmega1284P	128K	16K	4K	16M	5.0V
ATmega1284P	128K	16K	4K	8M	3.3V

Digital I/O There are 32 number digital input/output:
- Labeled on the module of D0, D1, D2~D13 and A0~A7, and the 10 （D14~D23） more than core .
Analog I/O There are 8 analog input/output:
- Labeled on the module of A0~A7;
- Each provides a 10-bit resolution（that is 0~1024）. By default, analog value measurement range is from GND to VCC voltage value;
- Please refer to analogRead() function.
There are 8 PWM supports:
- Labeled on the module of respectively D7,D8,D9,D10,D12,D13,D22,D23.
- Please refer to analogWrite() function.
There are two serial port supports:
- Labeled on the module of Serial[D0(RX),D1(TX)] and Serial1[D2(RX),D3(TX)].
- Connected with USBTTL,it will occupy D0 and D1. If the ports D0 and D1 are also occupied by other modules, this will lead to the communication with USBTTL is abnormal and the program can not be downloaded.
There is one SPI support:
- Labeled on the module of D13(SCK),D12(MISO),D11(MOSI) and D10(SS).
There is one 12C support:
- Labeled on the module of SDA(D20),SCL(D21).
There are 3 external interrupt supports:
- Labeled on the module of D2(interrupt0),D3(interrupt1) and D6(interrupt2).
- Please refer toattachInterrupt()function.
Support the ISP download function.
Support the AREF end.

Instruction of the pins:

Pin	Original Pin Name	Map Pin Name	Digital Pin	Analog Pin	interrupt	PWM	Serial	SPI	I2C	Power
1	VCC	+5V								+5V
2	VCC	+3V3								+3.3V
3	(OC0A/AIN1)PB3	D7	D7			yes
4	(OC2B/ICP)PD6	D8	D8			yes
5	(OC1A)PD5	D9	D9			yes
6	(OC0B/SS)PB4	D10	D10			yes		SS
7	(MOSI)PB5	D11	D11					MOSI
8	(MISO)PB6	D12	D12					MISO
9	(SCK)PB7	D13	D13					SCK
10	AREF	AREF
11	(ADC7)PA7	A0	D24	A0
12	(ADC6)PA6	A1	D25	A1
13	(ADC5)PA5	A2	D26	A2
14	(ADC4)PA4	A3	D27	A3
15	(SDA)PC1	SDA	D20						SDA
16	(SCL)PC0	SCL	D21						SCL
17	(ADC1)PA1	A6	D30	A6
18	(ADC0)PA0	A7	D31	A7
19	(RXD0)PD0	D0	D0				0(RX)
20	(TXD0)PD1	D1	D1				0(TX)
21	(INT0)PD2	D2	D2		0		1(RX)
22	(INT1)PD3	D3	D3		1		1(TX)
23	(XCK0/T0)PB0	D4	D4
24	(CLKO/T1)PB1	D5	D5
25	(INT2/AIN0)PB2	D6	D6		2
26	RESET	RST
27	GND	GND								GND
28	(TOSC2)PC7	D14	D14
29	(TOSC1)PC6	D15	D15
30	(TDI)PC5	D16	D16
31	(TDO)PC4	D17	D17
32	(TMS)PC3	D18	D18
33	(TCK)PC2	D19	D19
34	(ADC3)PA3	A4	D28	A4
35	(ADC2)PA2	A5	D29	A5
36	(OC1B)PD4	D22	D22			yes
37	(OC2A)PD7	D23	D23			yes

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Age Group	9yr+

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Microduino Core+ ATMega644

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