General Description The RA8803/RA8822 is a Dot-Matrix LCD controller which support both text and graphics mode. It built-in two Display RAM for two layers display, and embedded a 512Kbyte character ROM that consists of Chinese, English and ASCII fonts. In text mode, the RA8803/8822 support Chinese BIG5 code or GB code. The system (MPU) does not need take a lot of time to show the Chinese font in graphics mode.
RA8822 240x160 Character Graphic LCD controller |
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A self-operated control valve, also known as a self operated pressure control valve or self operated temperature control valve, is an auto control valve that relies on the pressure and temperature of the medium flowing through the valve as an energy source to drive the self ...
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