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飞思卡尔的M4内核单片机有带总线的吗

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yinyanqing|  楼主 | 2015-7-29 11:25 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
如题,现在用的STM32的单片机,用FMSC扩展了320*240的点阵LCD,但是ST的12位ADC有点低了.想问问飞思卡尔的M4核单片机是否有类似FMSC总线,后期可能还要通过总线扩展DM9000,望那个用过的大师告诉我下,谢谢了

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zhimagod| | 2015-8-3 14:30 | 只看该作者
FlexBus offers the following features:
• Six independent, user-programmable chip-select signals (FB_CS5 –FB_CS0)
• 8-bit, 16-bit, and 32-bit port sizes with configuration for multiplexed or
nonmultiplexed address and data buses
• 8-bit, 16-bit, 32-bit, and 16-byte transfers
• Programmable burst and burst-inhibited transfers selectable for each chip-select and
transfer direction
• Programmable address-setup time with respect to the assertion of a chip-select
• Programmable address-hold time with respect to the deassertion of a chip-select and
transfer direction
• Extended address latch enable option to assist with glueless connections to
synchronous and asynchronous memory devices

看起来就是名字不同,功能差不多吧

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