DocID024597 Rev 5 441/1830
RM0351 Flexible static memory controller (FSMC)
471
Figure 50. Muxed write access waveforms
The difference with ModeD is the drive of the lower address byte(s) on the data bus.
Table 86. FMC_BCRx bit fields
Bit number Bit name Value to set
31:22 Reserved 0x000
21 WFDIS
As needed (this bit is reserved for STM32L475xx/476xx/486xx
devices)
20 CCLKEN As needed
19 CBURSTRW 0x0 (no effect in asynchronous mode)
18:16 CPSIZE 0x0 (no effect in asynchronous mode)
15 ASYNCWAIT Set to 1 if the memory supports this feature. Otherwise keep at 0.
14 EXTMOD 0x0
13 WAITEN 0x0 (no effect in asynchronous mode)
12 WREN As needed
11 WAITCFG Don’t care
10 Reserved 0x0
9 WAITPOL Meaningful only if bit 15 is 1
8 BURSTEN 0x0
7 Reserved 0x1
6 FACCEN 0x1
5:4 MWID As needed
069
$>@
12(
0HPRU\WUDQVDFWLRQ
1([
1:(
1$'9
+&/.
$''6(7
+&/.F\FOHV
'$7$67
+&/.F\FOHV
$''+/'
+&/.F\FOHV
$'>@ GDWDGULYHQE\)0&
/RZHUDGGUHVV
To Next Page
Loading...
Need help?
General
