ST STM32F412 User Manual

Flexible static memory controller (FSMC) RM0402
264/1163 RM0402 Rev 6
Figure 41. Mode C write access waveforms
The differences compared with mode 1 are the toggling of NOE and the independent read
and write timings.
Table 58. FSMC_BCRx bitfields (mode C)
Bit number Bit name Value to set
31:22 Reserved 0x000
21 WFDIS As needed
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 0x1
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
A[25:0]
NOE
ADDSET (DATAST + 1)
Memory transaction
NEx
D[15:0]
HCLK cycles HCLK cycles
NWE
NADV
data driven by FSMC
MS34485V1
1HCLK

ST STM32F412 Specifications

General

Brand	ST
Model	STM32F412
Category	Microcontrollers
Language	English