The AX7102 board comprised FPGA core board and expansion boards, four high-speed board-to-board connectors are used to connect between the core board and the expansion board. The core board is a minimal system which mainly consist of FPGA chipset, two DDR3 and QSPI FLASH Features of FPGA Core Board FPGA Device XINLINX ARTIX-7 FPGA XC7A100T 101,440 Logic Cells 240 DSP Slice include 18 × 18 multiplier, an adder, and accumulator4860Kb Block RAM Block Memory 2pcs 4Gbit(256M × 16bit) DDR3 memory make up to 8Gbit size in total 128Mb QSPI FLASH Clock 200Mhz differential crystal oscillator for system clock 125Mhz differential crystal oscillator for GTP transceiver Features of FPGA Expansion Board Communication10/100/1000 Ethernet Two Port of SFP Interface USB 2.0 Port USB-to-Serial port RS232 Serial Port Real-Time Clock EEPROM with IIC interface Micro SD Socket Connectors Two 40pin Expansion Header (it can connector 4.4' LCD module, ADDA module, Audio module etc.) 10pin 2.54 mm JTAG connector Display 24-bit DAC of VGA output Buttons and Indicators 5 User LED (one is on the cord board) 5 user Buttons (one button act as reset button on core board)
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