HD66766R Datasheet, PDF(31/97 Page) Hitachi Semiconductor – 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors

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HD66766R Datasheet, PDF (31/97 Pages) Hitachi Semiconductor – 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors

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HD66766R

Rev. 1.0-1 / September 2002

Vertical Scroll Control (R11h)

R/W RS DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

1 VL27 VL26 VL25 VL24 VL23 VL22 VL21 VL20 VL17 VL16 VL15 VL14 VL13 VL12 VL11 VL10

Figure 16 Vertical Scroll Control Instruction

VL17-10: Specify the display-start raster-row at the 1st screen display for vertical smooth scrolling. Any

raster-row from the first to 176th can be selected. After the 176th raster-row is displayed, the display

restarts from the first raster-row. The display-start raster-row (VL17-10) is valid only when VLE1 = â1â.

The raster-row display is fixed when VLE1 = â0â. (VLE1 is the 1st-screen vertical-scroll enable bit.)

VL27-20: Specify the display-start raster-row at the 2nd screen display. The display-start raster-row

(VL27-20) is valid only when VLE2 = â1â. The raster-row display is fixed when VLE2 = â0â. (VLE2

is the 1st-screen vertical-scroll enable bit.)

Table 23

VL27 VL26 VL25 VL24 VL23 VL22 VL21 VL20

VL17 VL16 VL15 VL14 VL13 VL12 VL11 VL10

000 0000 0

000 0000 1

000 0001 0

10 1 0 11 1 0

10 10 11 1 1

Note: Do not set over the 176th ("AF"H) raster - row

Display start line

1'st raster - row

2'nd raster - row

3'rd raster - row

175'th raster -

176'throrawster

row

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