參數資料
型號: HCD44780UBxx
廠商: Hitachi,Ltd.
英文描述: 320 x 240 pixel format, CFL backlight available with power harness
中文描述: 點陣式液晶顯示控制器/驅動器
文件頁數: 11/59頁
文件大?。?/td> 316K
代理商: HCD44780UBXX
HD44780U
11
2-line display (N = 1) (Figure 4)
Case 1: When the number of display characters is less than 40
×
2 lines, the two lines are displayed
from the head. Note that the first line end address and the second line start address are not
consecutive. For example, when just the HD44780 is used, 8 characters
×
2 lines are displayed. See
Figure 5.
When display shift operation is performed, the DDRAM address shifts. See Figure 5.
00
01
02
03
04
26
27
DDRAM
address
(hexadecimal)
Display
position
1
2
3
4
5
39
40
. . . . . . . . . . . . . . . . . .
40
41
42
43
44
66
67
. . . . . . . . . . . . . . . . . .
Figure 4 2-Line Display
DDRAM
address
Display
position
1
2
3
4
5
6
7
8
00 01 02 03 04 05 06 07
For
shift left
For
shift right
40 41 42 43 44 45 46 47
01 02 03 04 05 06 07 08
41 42 43 44 45 46 47 48
00 01 02 03 04 05 06
40 41 42 43 44 45 46
27
67
Figure 5 2-Line by 8-Character Display Example
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