ST7920 - Topwaydisplay.com
ST7920 - Topwaydisplay.com
ST7920 - Topwaydisplay.com
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<strong>ST7920</strong>4 bit interface:POWER ONWait time >40msXRESET LOW HIGHFunction setRS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB00 0 0 0 1 0 X X X XWait time >100uSFunction setRS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB00 0 0 0 1 0 X X X X0 0 X 0 X X X X X XWait time >100uSDisplay ON/OFF controlRS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB00 0 0 0 0 0 X X X X0 0 1 D C B X X X XWait time >100uSDisplay clearRS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB00 0 0 0 0 0 X X X X0 0 0 0 0 1 X X X XWait time >10mSEntry mode setRS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB00 0 0 0 0 0 X X X X0 0 0 1 I/D S X X X XInitialization endV3.1 29/42 2003/04/11
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