
9-2
Memory Usage Guide
Lattice Semiconductor
LatticeECP/EC and LatticeXP Devices
Figure 9-1. Simplified Block Diagram, LatticeEC Device (Top Level)
Figure 9-2. Simplified Block Diagram, LatticeECP Device (Top Level)
Programmable I/O Cell
(PIC) includes sysIO
Interface
sysCONFIG Programming
Port (includes dedicated
and dual use pins)
Programmable
Functional Unit (PFU)
sysCLOCK PLL
PFF (Fast PFU
without RAM/ROM)
JTAG Port
sysMEM Embedded
Block RAM (EBR)
Programmable I/O Cell
(PIC) includes sysIO
Interface
sysCONFIG Programming
Port (includes dedicated
and dual use pins)
Programmable
Functional Unit (PFU)
sysDSP Block
sysCLOCK PLL
PFF (Fast PFU
without RAM/ROM)
JTAG Port
sysMEM Embedded
Block RAM (EBR)