RM0440 Rev 4 533/2126
RM0440 Flexible static memory controller (FSMC)
571
Mode C - NOR Flash - OE toggling
Figure 61. Mode C read access waveforms
Figure 62. Mode C write access waveforms
The differences compared with mode 1 are the toggling of NOE and the independent read
and write timings.
MSv41682V1
A[25:0]
Memory transaction
NADV
NEx
NOE
Data driven by memory
NWE
D[15:0]
ADDSET HCLK cycles DATAST HCLK cycles DATAHLD
HCLK cycles
High
MSv41679V1
A[25:0]
Memory transaction
NADV
NEx
NOE
Data driven by controller
NWE
Data bus
ADDSET HCLK cycles DATAST HCLK cycles DATAHLD +1
HCLK cycles
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