The Digilent Cmod A7 is a small, breadboard friendly 48-pin DIP form factor board built around a Xilinx Artix-7 FPGA. The board also includes a USB-JTAG programming circuit, USB-UART bridge, clock source, Pmod host connector, SRAM, Quad-SPI Flash, and basic I/O devices. These components make it a formidable, albeit compact, platform for digital logic circuits and MicroBlaze embedded soft-core processor designs using Xilinx's development software, Vivado. There are 44 Digital FPGA I/O signals and two FPGA Analog inputs that are routed to 100-mil-spaced through-hole pins so that you can integrate your programmable logic design directly into a solderless breadboard circuit. At just 0.7” by 2.75”, it can also be loaded in a standard socket and used in embedded systems.

Note: 

The only difference between the Cmod A7-15T and Cmod A7-35T are the capabilities of the FPGA found on the board. They compare as follows:

Features:

• System Features
  • 512KB SRAM with an 8-bit bus and 8ns access times
  • 4MB Quad-SPI Flash
  • USB-JTAG Programming Circuitry
  • Powered from USB or external 3.3-5.5V supply connected to DIP pins
• System Connectivity
  • USB-UART bridge
• Interaction and Sensory Devices
  • 2 LEDs
  • 1 RGB LED
  • 2 Push Buttons
• Expansion Connectors
  • 48-pin DIP connector with 44 Digital I/O and 2 Analog inputs (0-3.3V)
  • One Pmod connector with 8 Digital I/O