Figure 463. Modec Read Access Waveforms; Figure 464. Modec Write Access Waveforms - STMicroelectronics STM32F405 Reference Manual

RM0090 Flexible memory controller (FMC)
Mode C - NOR Flash - OE toggling

Figure 463. ModeC read access waveforms

Figure 464. ModeC write access waveforms

The differences compared with mode1 are the toggling of NOE and the independent read
and write timings.
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