ST STM32F405

RM0090 Rev 18 1623/1749
RM0090 Flexible memory controller (FMC)
1682
Mode 2/B - NOR Flash
Figure 462. Mode2 and mode B read access waveforms
1. NBL[3:0] are driven low during the read access
Figure 463. Mode2 write access waveforms
A[25:0]
NOE
ADDSET DATAST
Memory transaction
NEx
D[31:0]
HCLK cycles HCLK cycles
NWE
NADV
data driven
by memory
MS30456V1
High
A[25:0]
NOE
ADDSET (DATAST + 1)
Memory transaction
NEx
D[31:0]
HCLK cycles HCLK cycles
NWE
NADV
data driven by FSMC
MS30457V1
1HCLK