參數(shù)資料
型號(hào)： HCD66712UA03
廠商： Hitachi,Ltd.
英文描述： Dot-Matrix Liquid Crystal Display Controller/Driver
中文描述： 點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù)： 16/88頁(yè)
文件大?。?/td> 662K
代理商： HCD66712UA03
HD66712U
379
1-line display (N = 0, and NW = 0)
Case 1: When there are fewer than 80 display characters, the display begins at the beginning of
DDRAM. For example, when 24 5-dot font-width characters are displayed using one HD66712,
the display is generated as shown in Figure 2.
When a display shift is performed, the DDRAM addresses shift as well as shown in the figure.
When 20 6-dot font-width characters are displayed using one HD66712, the display is generated as
shown in Figure 3. Note that COM9 to COM16 begins at address (0A)H in this case 20 characters
are displayed.
When a display shift is performed, the DDRAM addresses shift as well as shown in the figure.
Case 2: Figure 4 shows the case where the EXT pin is fixed high and the HD66712 and the 40-
output extension driver are used to display 24 6-dot font-width characters. In this case, COM9 to
COM16 begins at (0A)H.
When a display shift is performed, the DDRAM addresses shift as well as shown in the figure.
COM1 to 8
COM9 to 16
DDRAM address
COM1 to 8
COM9 to 16
(Left shift display)
COM1 to 8
COM9 to 16
(Right shift display)
Display position
00 01 02 03 04
06
05
1 2 3 4 5 6 7 8
07
0C 0D 0E 0F 10
12
11
13 14 15 16 17 18 19 20
13
01 02 03 04 05
07
06
1 2 3 4 5 6 7 8
08
0D 0E 0F 10 11
13
12
13 14 15 16 17 18 19 20
14
4F 00 01 02 03
05
04
06
0B 0C 0D 0E 0F
11
10
12
9
08
9
09
07
10
09
10
0A
08
11
0A
11
0B
09
0B
0C
0A
12
12
21
14
21
15
13
22
15
22
16
14
23
16
23
17
15
24
17
24
18
16
Figure 2 1-Line by 24-Character Display (5-Dot Font Width)
COM1 to 8
COM9 to 16
DDRAM address
COM1 to 8
COM9 to 16
(Left shift display)
COM1 to 8
COM9 to 16
(Right shift display)
Display position
00 01 02 03 04
06
05
1 2 3 4 5 6 7 8
07
0A 0B 0C 0D 0E
10
0F
11 12 13 14 15 16 17 18
11
01 02 03 04 05
07
06
1 2 3 4 5 6 7 8
08
0B 0C 0D 0E 0F
11
10
11 12 13 14 15 16 17 18
12
4F 00 01 02 03
05
04
06
09 0A 0B 0C 0D
0F
0E
10
9
08
9
09
07
10
09
10
0A
08
19
12
19
13
11
20
20
14
12
13
Figure 3 1-Line by 20-Character Display (6-Dot Font Width)
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