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參數(shù)資料
| 型號(hào)： | HCD61202U |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dot Matrix Liquid Crystal GraphicDisplay Column Driver |
| 中文描述： | 點(diǎn)陣液晶GraphicDisplay列驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 24/33頁 |
| 文件大小： | 197K |
| 代理商： | HCD61202U |
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HD61202U
839
2. Example of Connection with HD6801
Set HD6801 to mode 5. P10 to P14 are used as the output port and P30 to P37 as the data bus.
74LS154 4-to-16 decoder generates chip select signal to make specified HD61202U active after
decoding 4 bits of P10 to P13.
Therefore, after enabling the operation by P10 to P13 and specifying D/I signal by P14, read/write
from/to the external memory area ($0100 to $01FE) to control HD61202U. In this case, IOS signal is
output from SC1 and R/W signal from SC2.
For details of HD6800 and HD6801, refer to their manuals.
A
B
C
D
Y0
Y1
Y15
G1 G2
74LS154
P10
P11
P12
P13
(IOS) (SC1)
(R/W) (SC2)
P14
E
P30
P37
HD6801
(Data bus)
CS1
CS2
CS3
R/W
D/I
E
DB0
DB7
HD61202U
No. 1
V
CC
Figure 8 Examples of Connection with HD6801
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