Figure 412. Asynchronous Wait During A Read Access; Figure 413. Asynchronous Wait During A Write Access - ST STM32F205 series Reference Manual

Advanced arm-based 32-bit mcus
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RM0033
A[25:0]
NEx
NWAIT
NOE
D[15:0]
1. NWAIT polarity depends on WAITPOL bit setting in FSMC_BCRx register.
A[25:0]
NWAIT
D[15:0]
1. NWAIT polarity depends on WAITPOL bit setting in FSMC_BCRx register.

Figure 412. Asynchronous wait during a read access

address phase
don't care

Figure 413. Asynchronous wait during a write access

address phase
NEx
don't care
NWE
Flexible static memory controller (FSMC)
Memory transaction
data setup phase
Memory transaction
data setup phase
data driven by FSMC
RM0033 Rev 8
don't care
data driven
by memory
4HCLK
don't care
1HCLK
3HCLK
ai18471b
ai15797c
1285/1378
1316

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