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STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and ...

STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and ...

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Flexible static memory controller (FSMC)<br />

RM0008<br />

Mode 2/B - NOR Flash<br />

Figure 165. Mode2/B read accesses<br />

Memory transaction<br />

A[25:0]<br />

NADV<br />

NEx<br />

NOE<br />

NWE<br />

High<br />

D[15:0]<br />

data driven<br />

by memory<br />

(ADDSET +1) (DATAST + 1)<br />

HCLK cycles HCLK cycles<br />

Data sampled<br />

2 HCLK<br />

cycles<br />

Data strobe<br />

ai14724c<br />

Figure 166. Mode2 write accesses<br />

Memory transaction<br />

A[25:0]<br />

NADV<br />

NEx<br />

NOE<br />

NWE<br />

1HCLK<br />

D[15:0]<br />

data driven by FSMC<br />

(ADDSET +1) (DATAST + 1)<br />

HCLK cycles HCLK cycles<br />

ai14723b<br />

422/995 Doc ID 13902 Rev 9

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