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1.Configure the Output Modes of the associated port pins as either push-pull or open-drain (push-pull is most common), and skip the associated pins in the crossbar.
2.Configure Port latches to “park” the EMIF pins in a dormant state (usually by setting them to logic ‘1’).
3.Select Multiplexed mode or Non-multiplexed mode.
4.Select the memory mode (on-chip only, split mode without bank select, split mode with bank select, or off-chip only).
5.Set up timing to interface with off-chip memory or peripherals.
这5个步骤都确认过了吗?
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发表于 2007-11-21 09:25
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此帖出自嵌入式系统论坛
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此帖出自嵌入式系统论坛
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