采用VHDL设计电话机自动拨号系统

Designing of Automatic Dial System in Telephone Based on VHDL

介绍一种基于VHDL的采用Top To Down设计方法实现的电话机自动拨号系统。利用Maxplus Ⅱ集成开发环境编辑、综合、仿真,并下载列CPLD器件中,经实际电路测试,该系统性能可靠。

Introduces a kind of automatic dial system in telephone which is realized on VHDL and using Top To Down desing method. Using' Maxplus Ⅱ' the integrated development environment to edit, synthesis, simulate and download to CPLD device, practical circuit testing shows that the system is reliable.