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ST7036 датащи(PDF) 30 Page - Sitronix Technology Co., Ltd. |
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ST7036 датащи(HTML) 30 Page - Sitronix Technology Co., Ltd. |
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30 / 70 page ![]() ST7036 V1.7a 2007/10/17 30/70 Function Set 0 0 0 0 DL 1 DH N IS1 IS2 R/W RS DB6 DB7 DB4 DB5 DB2 DB3 DB0 DB1 DL : Interface data length control bit When DL = "High", it means 8-bit bus mode with MPU. When DL = "Low", it means 4-bit bus mode with MPU. So to speak, DL is a signal to select 8-bit or 4-bit bus mode. When 4-bit bus mode, it needs to transfer 4-bit data by two times. N : Display line number control bit When N = "High", 2-line display mode is set. When N = "Low", it means 1-line display mode. When “N3” option pin connect to VDD, N must set “N=1”. DH : Double height font type control bit When DH = " High " and N= “Low”, display font is selected to double height mode(5x16 dot),RAM address can only use 00H~27H. When DH= “High” and N= “High”, it is forbidden. When DH = " Low ", display font is normal (5x8 dot). EXT option pin connect to high EXT option pin connect to low N DH Display Lines Character Font Display Lines Character Font L L 1 5x8 1 5x8 L H 1 5x8 1 5x16 H L 2 5x8 2 5x8 H H 2 5x8 Forbidden 2 line mode normal display (DH=0/N=1) 1 line mode with double height font (DH=1/N=0) |
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