Table 58. Fmc_Bcrx Bit Fields; Table 59. Fmc_Btrx Bit Fields - STMicroelectronics RM0365 Reference Manual

Flexible static memory controller (FSMC)
Bit
number
31-21
20
19
18:16
15
14
13
12
11
10
9
8
7
6
5-4
3-2
1
0
Bit number
31-30
29-28
27-24
23-20
19-16
15-8
7-4
3-0
245/1080

Table 58. FMC_BCRx bit fields

Bit name
Reserved 0x000
CCLKEN As needed
CBURSTRW 0x0 (no effect in asynchronous mode)
Reserved 0x0
Set to 1 if the memory supports this feature. Otherwise keep at
ASYNCWAIT
0.
EXTMOD 0x1 for mode B, 0x0 for mode 2
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 0x1
MWID As needed
MTYP 0x2 (NOR Flash memory)
MUXEN 0x0
MBKEN 0x1

Table 59. FMC_BTRx bit fields

Bit name
Reserved 0x0
ACCMOD 0x1 if extended mode is set
DATLAT Don't care
CLKDIV Don't care
BUSTURN Time between NEx high to NEx low (BUSTURN HCLK)
Duration of the access second phase (DATAST HCLK cycles) for
DATAST
read accesses.
ADDHLD Don't care
Duration of the access first phase (ADDSET HCLK cycles) for read
ADDSET
accesses. Minimum value for ADDSET is 0.
DocID025202 Rev 7
Value to set
Value to set
RM0365