Xminilab-B is a multi purpose development kit using the new XMEGA microcontrollers. It is targeted for anyone who wants to start learning AVR micros.
The Xminilab-B is also a fully featured Mixed Signal Oscilloscope and Spectrum Analyzer with an Arbitrary Function Generator.
General Specifications:
- ATXMEGA32A4 microcontroller: 32KB Flash, 4KB SRAM, 1KB EEPROM.
- 128×128 backlit LCD (Optrex DMF5008 on SED1335 controller)
- PDI interface
- RS-232 Serial Interface
- User Input: 2 Rotary Encoders and 7 tactile switches
- DC Input: 6V to 9V
Mixed Signal Oscilloscope Specifications:
- 1 Analog Channel
- Input Impedance: 1MΩ, 15pF
- Maximum Input Voltage: +/- 25V (+/- 250V if using a 10:1 probe)
- A/D Converter Resolution: 8 bits
- Maximum Sampling Rate: 16MS/s
- Analog Bandwidth: 2MHz
- 2 Digital Inputs: 3.5V level
Arbitrary Waveform Generator Specifications:
- 1 MS/s
- 8 bit r esolution (XMEGA is capable of 10bits, but 8bits are used currently)
- 256 byte long buffer
- Predefined waveforms: Sine, Square, Triangle, Exponential, Noise
- Maximum Output Voltage: +/- 3.5V
Once the waveform generator is set, it runs on the background (The AWG uses the DMA, so it doesn't need any CPU intervention). Any of the other application can run simultaneously. To power the Xmegalab you will need a 6V, 200mA wall adapter.
Schematic Diagram
Downloads
Schematic Diagram (pdf) - download
BOM (xls) - download
User Manual, source code and hex-file in the next part
