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KS0073 Datasheet(PDF) 31 Page - Samsung semiconductor |
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KS0073 Datasheet(HTML) 31 Page - Samsung semiconductor |
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31 / 78 page  34COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0073 31 5) 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 remains 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 frequency of 270kHz, blinking has 370 ms interval. When B = "Low", blink is off. 6) Extended Function Set ( RE = 1 ) RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 0 0 0 0 0 0 1 F/W B/W 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 left most space bit of CGRAM.(refer to Figure 15) 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 370 ms 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. S p a c e CGROM Characte Font (5-dot) 8-bit 6-bit CGROM CGRAM Characte Font (6-dot) 8-bit 6-bit CGRAM Figure 15. 6-dot Font Width CGROM/CGRAM |
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