Table 266. Fmc_Bcrx Bit Fields; Figure 459. Modea Write Access Waveforms - STMicroelectronics STM32F405 Reference Manual

Flexible memory controller (FMC)
The differences compared with mode1 are the toggling of NOE and the independent read
and write timings.
Bit
number
31-21
20
19
18:16
15
14
13
12
11
10
9
8
7
6
1608/1731

Figure 459. ModeA write access waveforms

Table 266. FMC_BCRx bit fields

Bit name
Reserved 0x000
CCLKEN As needed
CBURSTRW 0x0 (no effect in asynchronous mode)
CPSIZE 0x0 (no effect in asynchronous mode)
Set to 1 if the memory supports this feature. Otherwise keep at
ASYNCWAIT
0.
EXTMOD 0x1
WAITEN 0x0 (no effect in asynchronous mode)
WREN As needed
WAITCFG Don't care
WRAPMOD 0x0
WAITPOL Meaningful only if bit 15 is 1
BURSTEN 0x0
Reserved 0x1
FACCEN Don't care
DocID018909 Rev 11
Value to set
RM0090