United Design Of Print System Based On FPGA

Digital print system is a milestone in the digital print technology development,and it is totally digitized and realized the combination of the procedure, form information input to printing out, and even binding. Based on grating bitmap, digital print technology has broken the limitation of traditional technology. The charactors of no version\content changeable\cost advantage of quantities production and fewer printing links make it become bellwether in printing art. Because of the mutual independence of pre-print, print and post-print, current technique needs designated setup to ensure the cooperative work, besides, it needs worker's real-time monitoring, and all of these lead low production efficiency. In the paper, Print System Interconnect is designed to realize automation and intelligent of printing job based on FPGA.Print System Interconnect is to make digital print system seamless connection, through designing Data Transfer System, Print Support System and Pre-Post Print System. Data Transfer System is mainly to provide data for the print device, and it makes RIP System and print device connected. Print Support System is mainly to provide line signal and page signal for the print device, and it makes Servo System and print device connected. Pre-Post Control System is mainly to manage pre-print device and post-print device, and it makes print job more automatic and intelligentized.Data Transfer System is to design PCI Core logic, which makes the PCI bus and the WISHBONE bus connected, and each function module is connected to the WISHBONE bus. Print Support System is to design the encoder module logic, which generates the specific DPI line signal, according to encode the physical encoder signal. And it is to design the trigger module logic, which generates page signal with the configuration property of one-side print or double-side print, according to detecting the photoelectry signal and mark signal. Pre-Post Control System is to design the CutterStacker module logic, which is used to control post-print device. And it is to design the DryEmergency module logic, which is used to control pre-print device. The EEPROM module is used to preserve configuration data. The RS485 module is used to communicate with PC.