Table 66. Fsmc_Bcrx Bit Fields; Figure 49. Synchronous Multiplexed Read Mode Waveforms - Nor, Psram (Cram) - ST STM32F423 Reference Manual

RM0430

Figure 49. Synchronous multiplexed read mode waveforms - NOR, PSRAM (CRAM)

1. Byte lane outputs (NBL are not shown; for NOR access, they are held high, and, for PSRAM (CRAM)
access, they are held low.
Bit number
31:22
21
20
19
18:16
15
14
13
12
11
10

Table 66. FSMC_BCRx bit fields

Bit name
Reserved 0x000
WFDIS As needed
CCLKEN As needed
CBURSTRW No effect on synchronous read
CPSIZE 0x0 (no effect in Asynchronous mode)
ASYNCWAIT 0x0
EXTMOD 0x0
To be set to 1 if the memory supports this feature, to be kept at 0
WAITEN
otherwise
WREN No effect on synchronous read
WAITCFG To be set according to memory
Reserved 0x0
RM0430 Rev 8
Flexible static memory controller (FSMC)
Value to set
293/1324
306