ATMEGA128 Development Board

Introduction:

ATMEGA128 Development Board is a powerful development platform based on ATMEGA128 microcontroller which is one of the most feature rich AVR microcontroller from Atmel, featuring 128K Flash, 4K RAM, 53 I/O lines arranged in seven 8 bit ports, 8 ADCs, 2 UARTs, 4 timers, 8 interrupts and much more. This board is ideal for developing embedded applications involving high speed wireless communication, USB based data logging, real time data monitoring and control, interactive control panels etc.

ATMEGA128 Development Board has all microcontroller pins in proper PORT wise configuration. Board has lots of peripherals such as LCD, SD /MMC card, XBee wireless adaptor board, True USB to Serial converter, 8 servo motors connector, DS1307 based Real-Time Clock, UL2003 7 channel driver, L293D dual DC motor driver, 3 Potentiometers 8 switches, 8 LEDs, boot switch and RS232 serial interface etc. It is made from double sided PTH PCB board to provide extra strength to the connector joints for increased reliability.

The board is highly suitable for customization. The on-chip peripherals and the external hardware on the development board are interconnected using pin headers and jumpers. The I/O pins on the microcontroller can be accessed from 10 pin FRC connectors. It supports the operating supply voltage between 7V to 14V and has built-in reverse polarity protection.

• Microcontroller: ATMEGA128 with 14.7456 MHz crystal (Also supports ATMEGA2560, ATMEGA1280, ATMEGA640 )
• Power: 7 to 15V, AC or DC, Heat sink on 7805 for better current rating
• Reverse polarity protected
• 2.4GHz ZigBee (XBee) wireless module adaptor
• 2x16 Character Alphanumeric LCD
• SD / MMC Card Holder
• True USB to Serial converter at compatible with CMOS / TTL levels
• Connector for 8 servo motors
• DS1307 based Real-Time Clock with Battery Backup
• ULN2003 7 channel 500mA driver
• L293D 600mA Dual DC motor Driver
• RS232 serial interface
• 3 Analog Potentiometers
• 8 Switches
• 8 LEDs
• Double side high quality PTH PCB for added strength.
• Switches: Boot, Reset, Power
• 10 pin FRC connectors for all ports
• Schematics and Application examples in AVR studio provided in the documentation CD

ATMEGA128 Microcontroller Features:

• Advanced RISC Architecture
• Up to 16 MIPS Throughput at 16 MHz
• 128K Bytes of In-System Self-Programmable Flash
• 4K Bytes RAM
• 4K Byte Internal EEPROM
• 53 Programmable I/O Lines arranged in Seven 8 bit ports
• In-System Programming by On-chip Boot Program
• JTAG
• 8-channel, 10-bit ADC
• Two 8-bit Timer/Counters with Separate Prescaler and Compare Modes
• Two 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
• Real Time Counter with Separate Oscillator
• Six 16 bit and Two 8 bit PWM Channels,
• Two Programmable Serial USART
• Eight external interrupts
• Master/Slave SPI Serial Interface
• Byte-oriented Two-wire Serial Interface
• Programmable Watchdog Timer with Separate On-chip Oscillator
• 64 pin TQFP package

Kit contains:

• 1- ATMEGA128 Development Board (with ATMEGA128 Socket)
• 1- DB9 Serial Cable
• 10- 1 to 1 jumper cables
• 1- Documentation CD
• 1- USB Cable
• 3- 10 Pin FRC Cables

Experiments in the documentation CD:

• ADC interfacing
• LCD interfacing
• I/O interfacing
• SD card interfacing
• Real Time Clock interfacing
• Servo motor control
• Serial communication
• L293D motor driver interfacing
• ULN2003 interfacing

AVRISP mkII USB Programmer	NEX AVR USB ISP STK500V2
12V, 1Amp SMPS power supply for the development board with Isolation between mains and DC supply.	Female 1 to 1 Connector Pack of 10

Bootloader utility for loading firmware via USB port of the PC without any need of external programmer.

ATmega 128 Datasheet

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