Design of CobraNet audio network router

The paper looks back the development process of CobraNet technology and analyzes the CS1810xx CobraNet net- worked audio system processors.The hardware structure of CobraNet router designed using CSl810xx is given.The Ethernet inter- face circuit of CSl810xx,the firmware load method for CSl810xx,the host management interface between CS1810xx and MCU,etc. is discussed in detail.