HD66760 Datasheet, PDF (31/105 Pages) Hitachi Semiconductor – 104 X 80-dot Graphics LCD Controller/Driver for 256 Colors

VS1+1
VE1+1
HS1+1
HE1+1
Window
cursor
HD66760
Note: The cursor position must be included in the display area.
Figure 16 Window Cursor Position
1st Screen Driving Position (R14h)
2nd Screen Driving Position (R15h)
SS16–0: Specify the driving start position for the first screen in a line unit. The LCD driving starts from the
'set value + 1' common driver.
SE16–0: Specify the driving end position for the first screen in a line unit. The LCD driving is performed to
the 'set value + 1' common driver. For instance, when SS16-10 = 07H and SE16-10 = 10H are set, the LCD
driving is performed from COM8 to COM17, and non-selection driving is performed for COM1 to COM7,
COM18, and others. Ensure that SS16-10 ≤ SE16-10 ≤ 4FH. For details, see the Screen-division Driving
Function section.
SS26–0: Specify the driving start position for the second screen in a line unit. The LCD driving starts from
the 'set value + 1' common driver. The second screen is driven when SPT = 1.
SE26–0: Specify the driving end position for the second screen in a line unit. The LCD driving is performed
to the 'set value + 1' common driver. For instance, when SPT = 1, SS26-20 = 20H, and SE26-20 = 4FH are
set, the LCD driving is performed from COM33 to COM80. Ensure that SS16-10 ≤ SE16-10 < SS26-20 ≤
SE26-20 ≤ 4FH. For details, see the Screen-division Driving Function section.
R/W RS DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
W 1 0 SE16SE15SE14SE13SE12SE11SE10 0 SS16SS15SS14SS13SS12SS11SS10
W 1 0 SE26SE25SE24SE23SE22SE21SE20 0 SS26SS25SS24SS23SS22SS21SS20
Figure 17 1st Screen Driving Position and 2nd Screen Driving Position