ST STM32F446 Series User Manual

RM0390 Rev 4 273/1328
RM0390 Flexible memory controller (FMC)
324
3:2 MTYP 0x02 (NOR Flash memory)
1 MUXEN 0x0
0 MBKEN 0x1
Table 62. FMC_BCRx bit fields (continued)
Bit number Bit name Value to set
Table 63. FMC_BTRx bit fields
Bit number Bit name Value to set
31:30 Reserved 0x0
29:28 ACCMOD 0x2
27:24 DATLAT 0x0
23:20 CLKDIV 0x0
19:16 BUSTURN Time between NEx high to NEx low (BUSTURN HCLK).
15:8 DATAST
Duration of the second access phase (DATAST HCLK cycles) for
read accesses.
7:4 ADDHLD Don’t care
3:0 ADDSET
Duration of the first access phase (ADDSET HCLK cycles) for read
accesses. Minimum value for ADDSET is 0.
Table 64. FMC_BWTRx bit fields
Bit number Bit name Value to set
31:30 Reserved 0x0
29:28 ACCMOD 0x2
27:24 DATLAT Don’t care
23:20 CLKDIV Don’t care
19:16 BUSTURN Time between NEx high to NEx low (BUSTURN HCLK).
15:8 DATAST
Duration of the second access phase (DATAST HCLK cycles) for
write accesses.
7:4 ADDHLD Don’t care
3:0 ADDSET
Duration of the first access phase (ADDSET HCLK cycles) for write
accesses. Minimum value for ADDSET is 0.

ST STM32F446 Series Specifications

General

Brand	ST
Model	STM32F446 Series
Category	Microcontrollers
Language	English