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Atmel AVR ATmega128 microcontroller module with USB UART and RS485.
Crumb128 V4.0 AVR ATmega Module


Description
Crumb128 V4.0 is a versatile and very compact/small (just 40x30mm size!) microcontroller module with the ATmega128 microcontroller, CP2102 USB UART converter and RS485 transceiver. All microcontroller signals are available on pin headers. A selectable XTAL crystal is included.
The module is shipped without preassembled pin headers, since everybody has different preferences or requirements. A Connector Kit with a suitable set of pin headers and receptacles can be ordered optionally.

You can find further information in the Infosheet.
Technical Details
- ATmega128 (128k Flash, 4k SRAM, 4k EEPROM)
- Interfaces: 2xUSART, SPI, I2C/TWI, 53x IO Pins
- Peripherals: 2x 8 Bit / 2x 16 Bit Timer with PWM/Capture/Compare, 8ch. 10 Bit ADC, Analog Comparator, RTC Timer, Watchdog, Brownout, Sleep/Powerdown Modes
- 6-Pin ISP Interface with standard pinout, JTAG
- CP2102 USB UART converter at USART0
- 75ALS176 RS485 transceiver at USART1
- selectable XTAL crystal frequency, 32kHz TOSC watch crystal preassembled
- Connectors: 2x 32-pin with all processor signals, 1x 8pin with USB and RS485 signals, 1x 6-pin ISP, mini USB-B (5-pin)
- 2.54mm (1/10inch) pin grid
- Size: 40.64mm x 30.48mm
Downloads
InfosheetSchematic DiagramATmega128 DatasheetAtmel Studio 7 (incl. Toolchain + Software Framework)CodeVisionAVR C CompilerWe also recommend:
Power-S-501 V1.0
5V/3.3V/2.5V 500mA Step Down Switching Regulator Converter Module with LM2674.
Price: 9.90 EUR(*)
Shipping
We ship world wide with German Post and DHL.

Free shipping above €100 order value (only Germany).
More information.
Payment
PayPal, Wire Transfer. Companies / Institutions in Germany also Invoice. More on this.
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