ks0074 Samsung Semiconductor, Inc., ks0074 Datasheet - Page 28

• Manufacturer Part Number: ks0074
• Description: 34com/80seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0074
7) Cursor or Display Shift (RE = 0)
Table 7. Shift patterns according to S/C and R/L bits
Shift right/left cursor position or display, without writing or reading of display data.
This instruction is used to correct or search display data.(refer to Table 7)
During 2-line mode display, cursor moves to the 2nd line after 40th digit of 1st line.
In 4-line mode, cursor moves to the next line, only after every 20th digit of the current line.
Note that display shift is performed simultaneously in all the line enabled by DS1-DS4 in the Shift Enable instruction.
When displayed data is shifted repeatedly, each line shifted individually.
When display shift is performed, the contents of address counter are not changed.
During low power consumption mode, display shift may not be performed normally.
S/C
0
0
1
1








s
p
a
c
e
R/L
0
1
0
1

CGROM
character
font
(5-dot)


(CGROM)
6-bit

Shift cursor to the left, ADDRESS COUNTER is decreased by 1
Shift cursor to the right, ADDRESS COUNTER is increased by 1
Shift all the display to the left, cursor moves according to the display
Shift all the display to the right, cursor moves according to the display


Fig-9. 6-dot font width CGROM/CGRAM



8-bit
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD






CGRAM
character
font
(6-dot)
Operation
(CGRAM)

6-bit
8-bit