ATMEGA128 Board

Introduction

ATMEGA128 is one of the most powerful microcontrollers in the AVR series. It is available only in TQFP64 SMD package. To use it with ease, we have mounted ATMEGA128 on a PCB with a crystal (11.0592 MHz), ISP port and power on reset circuit. This board can be mounted on general purpose PCB using berg strip connector. An In System Programming (ISP) port makes it easy to program the processor directly.

Specifications

• Onboard ATMEGA128 microcontroller
• Supply voltage 5V DC
• Onboard In System Programming (ISP) port
• Reset switch with onboard power on reset circuit
• Onboard used—11.0592Mhz
• Six and half ports connected to 10mm berg strips

Features

ATMEGA128 Microcontroller Features

• Advanced RISC Architecture
• Up to 16 MIPS Throughput at 16 MHz
• 128K Bytes of In-System Reprogrammable Flash
• In-System Programming by On-chip Boot Program
• 4K Bytes EEPROM
• 4K Bytes Internal SRAM
• 8-channel, 10-bit ADC
• 7 Differential Channels
• 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
• Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
• Two 16-bit Timer/Counters with Separate Prescaler, Compare Mode and Capture Mode
• Real Time Counter with Separate Oscillator
• Two 8-bit PWM Channels
• 6 PWM Channels with Programmable Resolution from 2 to 16 Bits
• Output Compare Modulator
• Byte-oriented Two-wire Serial Interface
• Dual Programmable Serial USARTs
• Master/Slave SPI Serial Interface
• Programmable Watchdog Timer with On-chip Oscillator
• On-chip Analog Comparator

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