1 Lattice MachXOTM 设计指南 v 1.1 2 1.介绍.................................................................................................................................4 1.1 特征.................................................................................................................................................4 1.2 产品系列和器件选择手册..............................................................................................................5 1.3 性能分析.........................................................................................................................................6 2 . 体系结构......................................................................................................................7 2.1 MACHXO 结构概述.........................................................................................................................7 2.1.1 PFU 结构.................................................................................................................................7 2.1.2 Slice 结构.................................................................................................................................8 2.1.3 布线资源.................................................................................................................................9 2.2 结构特征.........................................................................................................................................9 2.2.1 时钟/控制信号网络................................................................................................................9 2.2.2 锁相环PLL...........................................................................................................................10 2.2.3 片内时钟振荡器...................................................................................................................11 2.2.4 嵌入块RAM (EBR)..............................................
