[10]?
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Example?Initialization?Program?
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/************************************************************************/?
void?comm_out(unsigned?int?c)?
{?
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CS1?=?0;??//Active?Low??
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AO?=?0;???//LOW?=?instruction?
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delay(1);?
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WRT?=?0;???//?/WR?in?8080?mode;?R/W?in?6800?mode?
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P1?=?c;???
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delay(1);?
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WRT?=?1;???//?/WR?in?8080?mode;?R/W?in?6800?mode?
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CS1?=?1;??//inactive?
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void?data_out(unsigned?int?d)?
{?
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CS1?=?0;??//Active?Low???
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AO?=?1;???//High?=?Data?
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delay(1);?
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WRT?=?0;?
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P1?=?d;?
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delay(1);?
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WRT?=?1;?
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CS1?=?1;??//inactive?????????????
}?
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void?init()?
{?
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//IRS?pin?is?tied?low?internally?‐?external?resistor?circuit?must?be?used?
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C86?=?1;????????????????
//?Interface?set?to?8080?mode?
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RDD?=?1;????????????????
//?/RD?in?8080?mode;?E?in?6800?mode?
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WRT?=?1;???????????????
//?/WR?in?8080?mode;?R/W?in?6800?mode?
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CS1?=?0;?
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RST?=?1;?????????????????
//?/RST?in?8080?mode;?/RES?in?6800?mode?
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RST?=?0;?????????????????
//?/RST?in?8080?mode;?/RES?in?6800?mode?
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delay(2);?
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RST?=?1;?????????????????
//?/RST?in?8080?mode;?/RES?in?6800?mode?
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delay(2);?
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comm_out(0xA2);??
//added?1/9?bias?
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comm_out(0xA0);??
//ADC?segment?driver?direction?(A0=Normal)?
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comm_out(0xC8);????????????
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comm_out(0xC0);???????????//COM?output?scan?direction?(C0=?Normal)?
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comm_out(0x40);??
//Operating?Mode?
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comm_out(0x25);??
//resistor?ratio?
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comm_out(0x19);??
//column?address?set?upper?bit?
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comm_out(0x2F);????????????//select?internal?resistor?ratio?
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comm_out(0xAF);???????????//display?ON/OFF?‐?set?to?ON?
}?
/************************************************************************/?
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