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- SKU: 04402
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Waveshare OpenM128 Standard AVR Development Board
AVR development board designed for ATMEL mega AVR, features the ATmega128 MCU, and integrates various standard interfaces, pretty easy for peripheral expansions.
User Manual / Datasheet / Example Codes Etc.
Package Includes
- OpenM128 development board x 1
- 4-pin wire x 2
- 2-pin wire x 2
- USB power cable x 1
What's On Board
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
24. ISP6 interface: for programming
26. ISP10 interface: for programming
27. JTAG interface: for programming/debugging
28. LEDs jumper
- User keys jumper
- Joystick jumper
29. PS/2 jumper
30. LCD selection jumper
