Introduction - If you have any usage issues, please Google them yourself
FPGA application is a good Liezi, I tested, there are USB-I2C, and there are some frequently used procedures, is a good beginner and reference help
Packet : 3970989fpgavhdlexample.rar filelist
FPGA VHDL example\i2c_p_altera.zip
FPGA VHDL example\pld-8051.zip
FPGA VHDL example\ref-ddr-sdram-vhdl.zip
FPGA VHDL example\ref-sdr-sdram-vhdl.zip
FPGA VHDL example\S2P_xapp194.zip
FPGA VHDL example\uart_vhdl.zip
FPGA VHDL example\uart_vhdl_lattice.zip
FPGA VHDL example\usb2.rar
FPGA VHDL example\xapp223.zip
FPGA VHDL example