Flexible static memory controller (FSMC) RM0351
344/1693 DocID024597 Rev 3
The FMC registers that define the external device type and associated characteristics are
usually set at boot time and do not change until the next reset or power-up. However, the
settings can be changed at any time.
14.2 Block diagram
The FMC consists of the following main blocks:
• The AHB interface (including the FMC configuration registers)
• The NOR Flash/PSRAM/SRAM controller
• The external device interface
The block diagram is shown in the figure below.
Figure 29. FMC block diagram
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