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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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KS0073 Datasheet(PDF) 45 Page - Samsung semiconductor |
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KS0073 Datasheet(HTML) 45 Page - Samsung semiconductor |
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45 / 78 page  34COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0073 45 (2) RE = 1 RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 1 DL N RE(1) RE LP 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 is required to transfer 4-bit data twice. N : Display line number control bit It is variable only when NW bit of extended function set instruction is Low. When N = "Low", 1-line display mode is set. When N = "High", 2-line display mode is set. When NW = "High", N bit is invalid, it means 4-line mode independent of N bit. RE : Extended function registers enable bit When RE = "High", extended function set registers, SEGRAM address set registers, HS bits of scroll enable instruction and BE bits of function set register can be accessed. BE : CGRAM/SEGRAM data blink enable bit BE = "High", makes user font of CGRAM and segment of SEGRAM blinking. The quantity of blink is assigned the highest 2 bit of CGRAM/SEGRAM. LP : Low power consumption mode enable bit When EXT port input is "Low"(without extension driver) and LP bit is set to "High", S6A0073 operates in low power consumption mode. During 1-line mode S6A0073 operates on a 4-division clock, and in 2-line or 4-line mode it operates on a 2- division clock. According to this instruction, execution time becomes 4 or 2 times longer. Note not to use display shift instruction, it may happen wrong operation. And the frame frequency is lower to 5/6 than that of normal operation. 9) Set CGRAM Address (RE = 0) RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 1 AC5 AC4 AC3 AC2 AC1 AC0 Set CGRAM address to AC. This instruction makes CGRAM data available from MPU. |
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