Mercury FPGA Development Board
- Xilinx Spartan-3A FPGA with 200K or 50K equiv. logic gates
- 50 MHz precision crystal oscillator
- 1 amp 1.2V and 3.3V voltage regulators
- USB and JTAG programmable
- 8 Mbit SPI Flash (up to 1.2Mb reserved for FPGA bitstream)
- Optional 4 Mbit external SRAM (512k x 8bit, 10ns)
- 8 channel 10-bit 200ksps ADC
- 30 GPIO pins with 5V tolerance and short-circuit protection
- 9 high-speed GPIO pins, 4 input-only pins
- 4 LEDs with GPIO pins, 1 user switch, 1 reset switch
- Friendly breadboard-compatible DIP 64 form-factor
Convenient DIP Package
Mercury has 64 round machine header pins in a familiar dual in-line package (DIP) format. No proprietary expansion connectors - just drop it right into a breadboard!
Mercury is perfect for rapid prototyping, and the super tiny form-factor makes it easy to embed into a small project. We've taken care of the voltage regulators, bypass capacitors and USB configuration circuitry, freeing you to focus on your actual design!
Most FPGA development boards are limited to 3.3V digital-only I/O, but we built Mercury with more flexibility in mind: We've included an onboard 8-channel SPI ADC (10 bit, 200 Ksps), great for interfacing with sensors or for audio input. It also has 30 pins of 5V-tolerant digital I/O, so you can safely interface TTL-level devices with the 3.3V Spartan-3A FPGA.
The Mercury Baseboard (sold separately) is the perfect companion for a Mercury FPGA development board! The Mercury board docks right into the 64-pin DIP socket, adding many useful peripherals, including:
- 4-digit seven segment display
- 4 pushbuttons, 8 switches
- 3.5mm stereo audio input and output
- VGA port supporting 8-bit color
- PS/2 port for keyboard or mouse
- 1 double Pmod-compatible connector
- Analog sensors: (light, temperature, potentiometer)
Check out the complete specs at the Mercury baseboard product page!
Beginning in mid-2016, we have added additional circuitry on some ME1B-200M modules to improve performance and stability of the 5V rail under heavy power loads. The changes are visible near Q1 on the top, and near C06 and C15 on the bottom. An image of a board with these changes is shown below. These changes will be integrated onto the PCB in the next ME1B-200M revision.