si4730驱动程序，这是一个调试完成的Si4730收音机芯片的驱动程序，程序中包含了HT1621 LCD芯片驱动及NV065A系列语音芯片驱动(Si4730 driver, this is a debugging completed Si4730 radio chip driver, the program contains the HT1621 LCD chip driver and NV065A series voice chip driver)