OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules
  • OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules
  • OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules
  • OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules
  • OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules
  • OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules

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OpenM128-B ATmega128A-AU ATmega128 AVR Evaluation Development Board + 11 Modules
Description:
- OpenM128 is an AVR development board that features a ATmega128 device as the microcontroller. It supports further expansion with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with AVR microcontroller.

-1. ATmega128A-AU: the high performance AVR MCU which features:
        Core: AVR 8-bit RISC
        Operating Frequency: 16MHz Max
        Operating Voltage: 2.7-5.5V
        Package: TQFP64
        I/Os: 53
        Memories: 128kB Flash, 4kB SRAM, 4kB EEPROM
        Communication Interfaces: 1 x SPI, 1 x TWI (I2C), 2 x USART, 8 x PWM, 8 x ADC
        Debugging/Programming: JTAG/ISP
- 2.AMS1117-3.3: 3.3V voltage regulator
- 3. Power switch
- 4.Power indicator
- 5. LEDs: convenient for indicating I/O status and/or program running state
- 6.User keys: for I/O input test and/or program control
- 7.Joystick: five positions
- 8. Reset button
- 9. Crystal oscillator: 7.3728M & 32.768K
- 10. Adjustable resistor: for LCD12864 contrast adjustment
- 11. 16 I/Os interface: for connecting accessory boards which using I/O control, such as FT245 USB FIFO, 8 SEG LED, etc.
- 12. 8 I/Os interface | 8-bit AD interface
        for connecting accessory boards which using I/O control, such as 8 Push Buttons, Motor, etc.
        there's also 8-bit AD interface can be used for AD testing
- 13.6 I/Os interface | USART0+AC+PWM3 interface
        for connecting USART peripherals, such as RS232, RS485, USB TO UART, etc.
        for connecting accessory boards which using PWM interface, also supports analog comparison through AC interface
- 14.SPI+PWM0+T/C interface
     for connecting SPI peripherals, such as DataFlash (AT45DBxx), SD card, MP3, etc.
        the SPI interface includes additional I/O pins (PWM, T/C as regular I/O) which can be used as controlling pins
        for connecting accessory boards which using PWM interface, also supports frequency calculation through T/C interface-
-15. I2C+PWM0/1 interface
        for connecting I2C peripherals, such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc.
        the I2C interface includes additional I/O pins (PWM as regular I/O) which can be used as controlling pins
        for connecting accessory boards which using PWM interface
- 16. USART1 interface: for connecting USART peripherals, such as RS232, RS485, USB TO UART, etc.
- 17. 1-WIRE interface: for connecting 1-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
- 18. PS/2 interface: for connecting PS/2 keyboard and/or mouse
- 19.Graphic multi-color LCD interface: for connecting 2.2 inch multi-color touch screen LCD which using SPI control
- 20. Graphic dot matrix LCD interface: for connecting dot matrix LCD, such as LCD12864 (3.3V blue backlight)
- 21. 5V DC jack
- 22.Custom crystal socket
- 23.VCC power input/output: usually used for power supply output, and/or common ground with other application board
- 24.MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion
- 25. ISP6 interface: for programming
-26. ISP10 interface: for programming
- 27. JTAG interface: for programming/debugging
- 28. LEDs jumper
- 29.User keys jumper
- 30.Joystick jumper
- 31.  PS/2 jumper
- 32 .LCD selection jumper
        short the jumper to use dot matrix LCD
        open the jumper to use multi-color LCD
- 33.VCC selection jumper
- 34.Crystal selection jumper

For jumper 28-31:

    short the jumper to connect to I/Os that used in example code;
    open the jumper to connect to other custom pins via jumper wires

Development Resources

The User Guide CD includes development resources listed as follow:
-  Related Software (AVR Studio4, etc.)
- Demo Code (GCC AVR examples)
-  Schematic (PDF)
-  AVR Development Documentations (Datasheets etc.)

Package Contains
- The "Standard Package" and "Accessory Boards Package" below are included.

Standard Package
- OpenM128 development board x 1
-  4-pin wire x 2
-  2-pin wire x 2
-  USB power cable x 1
- User guide CD x 1

Accessory Boards Package
- PL2303 USB UART Board (mini) x 1
- 2.2inch 320x240 Touch LCD (A) x 1
- AD Keypad (for testing embedded ADC) x 1
- FT245 USB FIFO Board (mini) (16 I/Os) x 1
-  AT45DBXX DataFlash Board (SPI) x 1
- PCF8563 RTC Board (I2C) x 1
- NRF24L01 RF Board (B) (SPI) 2pcs x 1
- DS18B20 (ONE WIRE) x 1
- LCD12864 (3.3V Blue Backlight) (SPI) x 1
- 8 SEG LED Board (16 I/Os) x 1
- 8 Push Buttons (8 I/Os) x 1
- USB type A plug to mini-B plug cable x 1

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