HD66765 Datasheet, PDF (27/71 Pages) Hitachi Semiconductor – 396-channel Segment Driver with Internal RAM for 4096-color Displays

1st Screen Driving Position (R14h)
2nd Screen Driving Position (R15h)
HD66765
R/W RS
W1
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
SE17 SE16 SE15 SE14 SE13 SE12 SE11 SE10 SS17 SS16 SS15 SS14 SS13 SS12 SS11 SS10
W 1 SE27 SE26 SE25 SE24 SE23 SE22 SE21 SE20 SS27 SS26 SS25 SS24 SS23 SS22 SS21 SS20
Figure 16 1st Screen Driving Position and 2nd Screen Driving Position Instructions
tion ^{SS17–0: Specify the driving start position for the first screen in a line unit. The LCD driving starts from}
the 'set value + 1' common driver.
ifica ^{SE17–0: 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 SS17–10 = 07H and SE17–10 = 10H
are set, the LCD driving is performed from COM8 to COM17, and non-selection driving is performed for
c _{COM1 to COM7, COM18, and others. Ensure that SS17–10 ≤ SE17–10 ≤ AFH. For details, see the}
e _{Screen-division Driving Function section.}
Sp SS27–0: 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.
ary ^{SE27–0: 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, SS27–20 = 20H, and
in _{SE27–20 = AFH are set, the LCD driving is performed from COM33 to COM80. Ensure that SS17–10 ≤}
Prelim ^{SE17–10 ≤ SS27–20 ≤ SE27–20 ≤ 4FH. For details, see the Screen-division Driving Function section.}
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