AN4570 datasheet(8/46 Pages) STMICROELECTRONICS

Part #	AN4570

Description	This application note describes how to use the high-density

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Overview of the STM32F30xxD/E flexible static memory controller

AN4570

8/46

DocID026804 Rev 1

Note:

These timings extracted from STM32F30xxD/E datasheet are needed to compute the NOR

and SRAM asynchronous mode timings.

Table 3. STM32F30xxD/E FMC asynchronous timings

Symbols

Parameter

Value

Unit

HCLK

Internal AHB clock frequency

72

MHz

tHCLK

Internal AHB clock cycle

13.88

ns

tsu(Data_NE) + tv(A_NE)

Data to FSMC_NEx high setup time + FSMC_NEx

low to FSMC_A valid

1tHCLK + 9

ns

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