I2C_Interface(VHDL)\i2c.vhd ...................\i2c.vhd.bak ...................\i2c_control.vhd ...................\I2C总线设计使用手册_altera.doc ...................\shift.vhd ...................\uc_interface.vhd ...................\upcnt4.vhd I2C_Interface(VHDL)