FPGA Development Board AX301 User Manual
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Through the diagram, we can see the functions that the development
platform can achieve:
USB interface power supply, and realize USB to serial port function
A large-capacity 256Mbit SDRAM can be used as data cache
A 16Mbit SPI FLASH can be used as FPGA configuration file and user
data storage
One camera interface for 5 million OV5640 camera module
One VGA interface, VGA interface is 16bit, can display 65536 colors,
can display color pictures and other information
One piece of RTC real-time clock, equipped with a battery holder, the
battery model is CR1220
One EEPROM 24LC04 with IIC interface
4 red LEDs, can realize the function of running light
4 buttons, 1 reset button, 3 user button
50M active crystal on board, providing stable clock source for
development board
Two 40-pin ALINX standard expansion ports (2.54mm pitch), of which 34
IO ports, one 5V power supply, two 3.3V power supplies, and three
GND. Two expansion modules can be connected at the same time,
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