Table 283. Fmc_Btrx Bit Fields - STMicroelectronics STM32F405 Reference Manual

Advanced arm-based 32-bit mcus
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Flexible memory controller (FMC)
Bit No.
11
10
9
8
7
6
5-4
3-2
1
0
Bit No.
31-30
29:28
27-24
23-20
19-16
15-8
7-4
3-0
1626/1731
Table 282. FMC_BCRx bit fields (continued)
Bit name
WAITCFG
0x0
WRAPMOD
0x0
WAITPOL
to be set according to memory
BURSTEN
no effect on synchronous write
Reserved
0x1
FACCEN
Set according to memory support
MWID
As needed
MTYP[1:0]
0x1
MUXEN
As needed
MBKEN
0x1

Table 283. FMC_BTRx bit fields

Bit name
Reserved
0x0
ACCMOD
0x0
DATLAT
Data latency
0x0 to get CLK = HCLK (not supported)
CLKDIV
0x1 to get CLK = 2 × HCLK
BUSTURN
Time between NEx high to NEx low (BUSTURN HCLK)
DATAST
Don't care
ADDHLD
Don't care
ADDSET[3:0]
Don't care
DocID018909 Rev 11
Value to set
Value to set
RM0090

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