硬件完成的RS232转I2C电路，没有MCU，用PC232端口直接访问，速度快，电路简单。-RS232 to I2C hardware to complete the circuit, there is no MCU, direct access to the port with PC232, fast, simple circuit.

51+FPGA架构的通讯口扩展,用verilog语言编写，扩展了Ｉ２Ｃ，ＳＰＩ，ＲＳ２３２。-51+ FPGA architectures communication port expansion, with verilog language, extends the I2C, SPI, RS232.

本人收集大部分fpga的基础参考例程，包括各种接口技术如I2C,RS232,UART,spi，PS/2等，还有驱动各种LCD如1602，NOKIA5110,FPGA超声波测距，FPGA控制ADS7825,ADS7844,ADS2807,THS1206,TLC2543,TLC5510A,MAX1312-is verele samdlksakklf fdsadfmks f sfsl fs a