RM0316 Datasheet, PDF (187/1141 Pages) STMicroelectronics – This reference manual targets application developers

RM0316
Flexible memory controller (FMC)
Bit
number
31-21
20
19
18:16
15
14
13
12
11
10
9
8
7
6
5-4
3-2
1
0
Table 48. FMC_BCRx bit fields
Bit name
Value to set
Reserved
CCLKEN
CBURSTRW
Reserved
ASYNCWAIT
EXTMOD
WAITEN
WREN
WAITCFG
WRAPMOD
WAITPOL
BURSTEN
Reserved
FACCEN
MWID
MTYP
MUXEN
MBKEN
0x000
As needed
0x0 (no effect in asynchronous mode)
0x0
Set to 1 if the memory supports this feature. Otherwise keep at
0.
0x1 for mode B, 0x0 for mode 2
0x0 (no effect in asynchronous mode)
As needed
Don’t care
0x0
Meaningful only if bit 15 is 1
0x0
0x1
0x1
As needed
0x2 (NOR Flash memory)
0x0
0x1
Bit number
31-30
29-28
27-24
23-20
19-16
15-8
7-4
3-0
Table 49. FMC_BTRx bit fields
Bit name
Value to set
Reserved 0x0
ACCMOD
DATLAT
CLKDIV
0x1 if extended mode is set
Don’t care
Don’t care
BUSTURN Time between NEx high to NEx low (BUSTURN HCLK)
DATAST
Duration of the access second phase (DATAST HCLK cycles) for
read accesses.
ADDHLD Don’t care
ADDSET
Duration of the access first phase (ADDSET HCLK cycles) for read
accesses. Minimum value for ADDSET is 0.
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