使用C8051制作(控制调制解调芯片功能),其中用到UART,SPI,I2C,AD等众多资源,心血之作.-Use C8051 production (control of modem functions on-chip), which uses UART, SPI, I2C, AD, and many other resources for the effort.

使用C8051制作(控制调制解调芯片功能),其中用到UART,SPI,I2C,AD等众多资源,心血之作.-Use C8051 production (control of modem functions on-chip), which uses UART, SPI, I2C, AD, and many other resources for the effort.

C8051实现对Uart控制、通过keil编程，初始化交叉开关-C8051 of Uart control, through the keil programming, initialize cross switch