规格书
                    1(MCP23017, MCP23S17 Datasheet)
                   
                    其他相关文档
                    1(Development Tools Catalog)
                   
                    设计资源
                    1(MCP23S17 Development Tool Selector)
                   
                    参考设计库
                    1(GPIODM-KPLCD: 8/16-Bit GPIO Exp, 4x4 Keypad, LCD)
                   
                    PCN 组装/来源
                    1(Mult Devices Assembly Site 16/Jan/2018)
                   
                    EDA 模型
                    1(MCP23S17T-E/ML by Ultra Librarian)
                   
                    Errata
                    1(MCP23S17 Rev A Errata)