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KS0073 Datasheet(PDF) 42 Page - Samsung semiconductor |
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KS0073 Datasheet(HTML) 42 Page - Samsung semiconductor |
42 / 78 page S6A0073 34COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD 42 4) Display ON/OFF Control ( RE = 0 ) RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 1 D C B Control display/cursor/blink ON/OFF 1 bit register. D : Display ON/OFF control bit When D = "High", entire display is turned on. When D = "Low", display is turned off, but display data is remained in DDRAM. C : Cursor ON/OFF control bit When C = "High", cursor is turned on. When C = "Low", cursor is disappeared in current display, but I/D register preserves its data. B : Cursor Blink ON/OFF control bit When B = "High", cursor blink is on, that performs alternate between all the high data and display character at the cursor position. If fosc has 270kHz frequency, blinking has 370ms interval. When B = "Low", blink is off. 5) Extended Function Set ( RE = 1 ) RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 1 FW BW NW FW : Font Width control When FW = "High", display character font width is assigned to 6-dot and execution time becomes 6/5 times than that of 5-dot font width. The user font, specified in CGRAM, is displayed into 6-dot font width, bit-5 to bit- 0,including the leftmost space bit of CGRAM.(refer to Figure 16). When FW = "Low", 5-dot font width is set. B/W : Black/White Inversion enable bit When B/W = "High", black/white inversion at the cursor position is set. In this case C/B bit of display ON/OFF control instruction becomes don't care condition. If fosc has frequency of 270kHz, inversion has 370ms intervals. NW : 4 Line mode enable bit When NW = "High", 4 line display mode is set. In this case N bit of function set instruction becomes don't care condition. |
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