poc的VHDL详细设计 实现握手信号的交互 -poc of VHDL handshake signal to achieve the detailed design of interactive

基于VHDL的POC编写与实现 实现三次握手-VHDL-based preparation and implementation of the POC to achieve three-way handshake

系统总线与打印机之间的借口：并行输出控制器POC的设计。涉及POC与CPU，POC与printer之间的握手操作。-Between the system bus and an excuse for the printer: parallel output controller POC design. Involved in POC and CPU, POC and the printer handshake between the operations.