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通过使用存储文本数据的压缩方法降低微控制器只读存储器的容量要求

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通过使用存储文本数据的压缩方法降低微控制器只读存储器的容量要求

Fujitsu Microelectronics Europe MCU-AN-389011-E-V10
Application Note
Compress
This months microcontroller article is based on an application note and discusses how to reduce the
microcontroller ROM-size requirement by using a compression method for storing text-data, having in
mind an information display application with on-chip LCD controller.


Background

Our microcontrollers are quite strong when it comes to micros with on-chip LCD controller, because
we have quite a lot of series with on-chip LCD controllers, and some which can drive quite a large
number of LCD segments.
For example the MB89820 series with 4 COM-lines x 20 SEG-lines could drive 200 individual LCD-
segments.

With such a number of segments, its even possible to drive alpha numer……
标签:富士通Fujitsurom
通过使用存储文本数据的压缩方法降低微控制器只读存储器的容量要求
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