參數(shù)資料
型號(hào): HCD66712UA03BP
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): 21/88頁(yè)
文件大?。?/td> 662K
代理商: HCD66712UA03BP
HD66712U
384
Case 2: Figure 9 shows the case where the EXT pin is fixed high and the HD66712 and the 40-
output extension driver are used to extend the number of display characters.
When a display shift is performed, the DDRAM addresses shift as shown.
1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 1819 20
4E
1 2 3 4 5 6 7 8 9 10 11 12 13 14 1516 17 1819 20
01 02 03 04 05 06
11
12 13
0A 0B 0C
0D 0E 0F 10
07 08 09
00
21 22 23 24 25 26
31 32 33
2A 2B 2C
2D 2E 2F 30
27 28 29
20
41 42 43 44 45 46
51 52 53
4A 4B 4C
4D
4F 50
47 48 49
40
61 62 63 64 65 66
71 72 73
6A 6B 6C
6D 6E 6F 70
67 68 69
60
00 01 02 03 04 05 06
11 12
0A
0B 0C 0D 0E 0F 10
07 08 09
13
20 21 22 23 24 25 26
31 32
2A
2B 2C 2D 2E 2F 30
27 28 29
33
40 41 42 43 44 45 46
51 52
4A
4B 4C 4D 4E 4F 50
47 48 49
53
60 61 62 63 64 65 66
71 72
6A
6B 6C 6D 6E 6F 70
67 68 69
73
(Right shift display)
(Left shift display)
00 01 02 03 04 05 06
20 21 22 23 24 25 26
COM1 to 8
COM17 to 24
COM9 to 16
COM25 to 32
1 2 3 4 5 6 7 8 9 1011 12 13 14 15 1617 18 19 20
40 41 42 43 44 45 46
60 61 62 63 64 65 66
11 12 13
0A 0B
0C 0D 0E 0F 10
07 08 09
31 32 33
2A 2B
2C 2D 2E 2F 30
27 28 29
51 52 53
4A 4B
4C 4D 4E 4F 50
47 48 49
71 72 73
6A 6B
6C 6D 6E 6F 70
67 68 69
HD66712
Extension driver
Display position
DDRAM address
Figure 9 4-Line by 20-Character Display
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