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ATm1281-UC-TB   ATmega1281 USB TinyBoard

Category: Development Board, AVR Microcontroller, ATmega1281, ATmega
Keywords: Microcontroller, Development Board, Prototype Board, ATmega Board, AVR ATmega1281-16AU, ATmega1281-16AI, ATmega1281 Board, ATmega1281 USB Board

ATmega1281 USB Development Board / Prototype Board with ATmega1281-16AI / ATmega1281-16AU (16 MHz) with ISP and JTAG Header, ATmega Board
ATmega1281 Board with USB serial converter

• full motherboard / prototype board for ATmega1281
• led indicates programming mode
• lines on right header are switched off automatically when in programming mode
  (prohibits "shortages" during programming with the rest of circuitry)
• 100% pin compatible with Vers. 1.1 and Vers. 1.2 ATmega128 TinyBoard
• small dimensions 34mm x 47mm (mini module)
• all pins are available on headers (2,54mm-/0,1" pitch) 2x15pins each
• high computing power 
• easy to use: just connect to power supply (+5V) and program device
• 2 crystals: 16 MHz system clock, 32.768 kHz asynchron timer/counter0
• separate grounds: analog and digital
• large continues ground plane / reference plane for improved signal integrity and shielding
   
• USB-UART-Bridge Silicon Labs CP2102 (SiLabs CP2102)
  USB2COM (USB2SERIAL) / COM2USB (SERIAL2USB) / USB2 Full Speed
  converter onboard for COM1 (serial to USB converter for COM1 / USART1, second UART)
  driver support: Windows98/2000/XP, Linux, MacOS
   
• device can be powered from USB line (jumper)
• ISP and JTAG header
  
   

• fully assembled board  includes:

• ATmega1281-16AI /  ATmega1281-16AU (-40 bis +85°C), X1 crystal 16 MHz, X2 crystal 32.768 kHz (for asynchron timer)

• header layout, schematics, programming tutorial, USB driver

• Mini-USB cable

• female connectors 2 pieces (2x15 pins) are also available

options:
 

• ATmega1281-16 with 14.7456 MHZ crystal for serial communication (USART1 and USART2) without baud rate error

CP2102 USB-UART Bridge VCP device drivers

Windows 2000 / XP: CP2102 VCP device driver Windows 2000 / XP
Native CP210x USB Driver (Windows): CP210x_Win_v4.28a.zip
Native CP210x USB Driver (MacOS-X): CP210x_MacOSX_v1.00e.zip
Linux:
Native CP210x USB Driver (RedHat8)
Note: Linux Kernel 2.6 includes support for CP210x devices, no additional driver needed
CP210x_RedHat8_v1.1.tar.gz
Native CP210x USB Driver (Linux Source Code)
Note: Linux Kernel 2.6 includes support for CP210x devices, no additional driver needed
CP210x_Linux_src_v1.1.zip

Features Atmel 8Bit AVR-Flash Microcontroller, AVR 8-Bit RISC

Pinout:
ATmega128, ATmega128-16AU
ATmega1281, ATmega1281-16AU
ATmega2561, ATmega2561-16AU

ATmega128-16AI / ATmega128-16AU (Pb free, ROHS) / ATmega1281 features
ATmega2561-16AI / ATmega2561-16AU (Pb free, ROHS) features

• 128KB FLASH for ATmega128
• 256KB FLASH for ATmega2561
• 4 KB SRAM (internal RAM)
• 4 KB EEPROM
• 64-pin Version
• 53 I/O pins
• hardware multiplier
• programming lock for software security
• SPI Interface for In-System Programming
• real time counter with separate oscillator
• 8-channel, 10-bit ADC:
  - 8 single-ended channels
  - 7 differential channels
  - 2 differential channels with programmable gain at 1x, 10x, or 200x
• dual programmable serial USARTs (2x UART)
•  Master/Slave SPI serial interface
• 2x 8bit timer, 2x 16bit timer
• 16 MHz RISC

AVR ATmega128 datasheet (pdf)

AVR ATmega2561 datasheet (pdf)

AVR Development Tools:

• Atmel AVR Studio 4 from www.atmel.com
• free C-Compiler AVR-GCC from AVR Freaks Web Site and GNU-GCC
• Basic compiler BASCOM-AVR
• Open Source Assember AVRA

AVR Resource Links:

• AVRfreaks
  
• OpenAVR

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