參數(shù)資料
型號(hào): UPD161401
廠商: NEC Corp.
英文描述: 256-COLOR, 1/80-DUTY LCD CONTROLLER/DRIVER WITH ON-CHIP RAM
中文描述: 256色,1/80-DUTY LCD控制器/驅(qū)動(dòng)器,片內(nèi)RAM
文件頁數(shù): 58/124頁
文件大?。?/td> 647K
代理商: UPD161401
Data Sheet S15726EJ2V0DS
58
μ
PD161401
5.8.2 Screen scrolling
The
μ
PD161401 has a screen scroll function. This function is enabled during main duty display. The width of the area
to be fixed is specified by the scroll fixed area width register (R27) and the number of scroll steps is set by the scroll
step number register (R31). By these settings, other parts of screen can be scrolled with part of the screen fixed. To
specify the position of the area to be fixed, set the FIXAHL flag of the scroll fixed area position register (R23) as shown
in
Table 5
29
. Specify the fixed area position on the upper part of the LCD panel in master mode and on the bottom
part of the panel in slave mode.
Table 5
29. Scroll Fixed Area Width Register (R27)
FIXAW1
FIXAW0
Fixed area width
0
0
1
1
0
1
0
1
0
16
24
32
Table 5
30. Scroll Step Count Register (R31)
MST6
MST5
MST4
MST3
MST2
MST1
MST0
Number of Scroll Steps
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
0
1
2
3
1
1
1
0
0
0
0
0
1
1
1
0
1
1
0
1
1
0
0
1
0
78
79
Other settings prohibited
Note that the relationship between the number of scroll steps and the width of the scroll fixed area needs to be set so
that the following condition is set.
Number of scroll steps
79
Width of scroll fixed area
Caution If values other than the above is set, the operation is not guaranteed.
Table 5
31. Scroll Fixed Area Position Register (R23)
FIXAHL
LCD Display Position
0
1
Bottom
Upper
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