产品培训模块
                    1(Asynchronous Stimulus)
                   
                    设计资源
                    1(PIC18F4455 Development Tool Selector)
                   
                    PCN 设计/规格
                    1(TQFP-44L Palladium Coated Copper Wire 17/Dec/2013)
                   
                    PCN 组装/来源
                    1(Wire 27/Mar/2018)
                   
                    EDA 模型
                    1(PIC18F4455T-I/PT by Ultra Librarian)
                   
                    Errata
                    1(PIC18Fx455, x550 Revision A3 Errata)