Aug 26, 2019
10:54 PM
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Aug 26, 2019
10:54 PM
Dears
客户在一个项目中显示屏部分共需要35个GPIO,其中需要并行操作的GPIO有25个,主要实现输出控制信号功能,会需要计数器或定时器功能;触摸按键部分共有8个按键;请协助评估CY8C5467LTI-LP003 UDB资源否够用,以及是否有其他合适的芯片,谢谢!
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PSoC 5LP
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Aug 27, 2019
12:01 AM
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Aug 27, 2019
12:01 AM
看起来CY8C5467LTI-LP003是可用的,但是PSoC4 或PSoC6也可用。最好在Creator里配个原型,编译一下看能否满足要求。
这个显示屏有什么屏?字符?段位?图形?你的想法中UDB是给什么用的?
Roy Liu
5 Replies
Aug 27, 2019
12:01 AM
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Aug 27, 2019
12:01 AM
看起来CY8C5467LTI-LP003是可用的,但是PSoC4 或PSoC6也可用。最好在Creator里配个原型,编译一下看能否满足要求。
这个显示屏有什么屏?字符?段位?图形?你的想法中UDB是给什么用的?
Roy Liu
Aug 27, 2019
12:29 AM
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Aug 27, 2019
12:29 AM
Hi Roy,
显示屏是段式显示屏,80个seg,2个com;使用UDB可以减少CPU的占用,类似于并行操作,
MCU主要是接收485信号然后在显示屏显示再加触摸按键的功能,请问有相关的例程可以提供么,多谢!
Aug 30, 2019
02:29 AM
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Aug 30, 2019
02:29 AM
80个seg那么多?例程的话可以在这里https://www.cypress.com/documentation/code-examples/psoc-345-code-examples 找找,这里基本列出了全部PSoC3/5的例程。
Roy Liu
Sep 02, 2019
05:03 AM
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Sep 02, 2019
05:03 AM
Hi Roy,
客户是外配了驱动ic,想法是通过配置UDB,并行操作25个IO口给驱动IC控制信号,想用CY8C5467LTI-LP003 这颗料。Tks!
Sep 09, 2019
08:35 PM
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Sep 09, 2019
08:35 PM
除了上面提到的code example(有关LCD/UDB的用法), 这些有关UDB的应用笔记可以推荐参考一下:
Roy Liu