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AVR104 ATMEGA128 PC104 Format SBC
Description
The AVR104 is an embedded microcontroller board based on ATMEGA128 AVR microcontroller family. It is low cost and flexible, making it ideal as an embedded controller. The board has a PC104-style format and most PC104 digital and analogue expansion boards may be fitted in a PC104 style stack.
Product
	ATmega128 AVR RISC microcontroller with up to 16 MIPS throughput Two RS232 serial ports, with two IDC-10 connectors 128 Kbyte on-chip in-system programmable flash ROM 4 Kbyte on-chip SRAM 32 Kbyte external SRAM 4 Kbyte on-chip in-system programmable EEPROM 32 Kbyte serial eeprom (24LC256) 34 programmable digital I/O lines (I/O connector) 8-channel, 10-bit analog/digital converter Two 8-bit and two 16-bit timer/counters Watchdog timer for enhanced reliability Real time clock (DS1307) with 3V lithium battery and 32.768KHz crystal A mini buzzer Reset button LCD connector with contrast adjustable and back-light controllable BASCOM Compatible Expansion boards available User Manual >>
Description
The AVR104 is an embedded microcontroller board based on ATMEGA128 AVR microcontroller family. It is low cost and flexible, making it ideal as an embedded controller. The board has 4 ports (34 I/O lines), a mini buzzer, reset switch and two RS232 ports. It also has a serial 4kB serial EEPROM, 32k SRAM and a real time clock DS1307 with 3-volt lithium battery. The board has a LCD connector for common character LCD modules, together with with contrast pot, power supply and current limit resister for LCD backlight. All ports on the board are connected to IDC connectors. There is also a PC104-style expansion connector. PC104 boards may be stacked on top of the AVR104. (Note - not all PC104 boards may be compatible as there are some bus pins that are not supported - please check the user manual) The PCB is a two-layer design intended for demanding industrial applications. The board provides a standard 10-pin In System Programmer header for connection to a ISPAVR programmer. Compatible with the Atmel AVR Studio Assembler and the BASCOM Basic Complier
Accessories and Expansion Boards
REL812S - Relay Expansion     8-Channel Relay Expansion Board Change-over relays Contact Rating 10A @ 120VAC Requires external 12VDC PSU Screw Terminals Schematic >>   IN812C - Opto Input     8-Channel opto-isolated Input card Selectable input type - DC or volt-free contact 5-24V DC Input Range Connect to SBC via I2C Bus Up to 8 boards per system Manual >> BD298 Bi-polar Stepper Motor Driver     Bi-polar stepping motor driver Motor power supply voltage up to 46V Motor current up to 2A Up to 40KHz input signal frequency Over temperature protection Over current protection Free wheeling diodes TTL input signals Manual >> MD298 DC Motor Driver   Dual H-bridge DC motor driver Motor power supply voltage up to 46V DC Motor current up to 2A Up to 40KHz PWM frequency Over temperature protection Over current protection Free wheeling diodes TTL input signals Manual >> ISPAVR Programmer     ISP Programmer for AVR Microcontroller Compatible with STK200/300 ISP programmer 10 pin connector DB25 MALE Printer Port (LPT) interface 1m flat cable 2 LED status, Power and Program Manual >> BASCOM Basic Complier     Structured BASIC with labels Structured programming with IF-THEN-ELSE-END IF, DO-LOOP, WHILE-WEND, SELECT- CASE Integrated terminal emulator with download option Integrated simulator for testing Integrated ISPAVR programmer support Editor with statement highlighting More Information >> Atmel AVR Studio FREE Download >>     AVR Studio® 4 is the new professional Integrated Development Environment (IDE) for writing and debugging AVR® applications in Windows® 9x/NT/2000/XP environments. AVR Studio 4 includes an assembler and a simulator. The following AVR development tools are also supported: ICE50, ICE40, JTAGICE mkII, JTAGICE, ICE200, STK500/501/502/503/504/505/520, AVRISP mkII, and AVRISP.
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