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參數(shù)資料
| 型號： | HD66410 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | RAM-Provided 128-Channel Driver for Dot-Matrix Graphic LCD(點陣圖形LCD128通道驅(qū)動器) |
| 中文描述： | 內(nèi)存提供128通道驅(qū)動點陣圖形LCD（點陣圖形LCD128通道驅(qū)動器） |
| 文件頁數(shù)： | 39/50頁 |
| 文件大?。?/td> | 177K |
| 代理商： | HD66410 |
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HD66410
39
Display Memory Access Register (R4):
The display memory access register (Figure 31) is used to access
the display RAM. If this register is write-accessed, data is directly written to the display RAM. If this
register is read-accessed, data is first latched to this register from the display RAM and sent out to the data
bus on the next read; therefore, a dummy read access is necessary after setting the display RAM address.
Display Start Raster Register (R5):
The display start raster register (Figure 32) designates the raster to be
displayed at the top of the LCD panel. Varying the set value scrolls the display vertically. The set value
must be one less than the actual top raster and range from 0 to 32 for 1/33 duty cycle and from 0 to 16 for
1/17 duty cycle. If the value is set outside these ranges, data may not be displayed correctly. Data bits 7 and
6 are unused; they should be set to 0 when written to.
Blink Registers (R6, R7):
The blink bit registers (Figure 33) designate the 8-bit groups to be blinked.
Setting a bit to 1 blinks the corresponding 8-bit group. Any number of groups can be blinked; setting all the
bits to 1 will blink the entire LCD panel. These bits are valid only when the BLK bit of control register 2 is
1.
Data bit
Set value
7
6
5
4
3
2
1
0
R4
D3
D2
D1
D0
D4
D5
D6
D7
Figure 31 Display Memory Access Register (R4)
Data bit
Set value
7
6
5
4
3
2
1
0
R5
ST3
ST2
ST1
ST0
ST4
ST5
Figure 32 Display Start Raster Register (R5)
Data bit
Set value
7
6
5
4
3
2
1
0
R6
BK4
BK5
BK6
BK7
BK3
BK2
BK1
BK0
Set value
R7
BK12
BK13
BK14
BK15
BK11
BK10
BK9
BK8
Figure 33 Blink Registers (R6, R7)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66420 | (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD) |
| HD66420TA0 | LCD Display Driver |
| HD66421 | (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD) |
| HD66421TB0 | (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD) |
| HD66503 | 240-Channel Common Driver with Internal LCD Timing Circuit(帶內(nèi)部LCD定時電路的240通道驅(qū)動器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66420 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD) |
| HD66420TA0 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:LCD Display Driver |
| HD66421 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:(RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD) |
| HD66421TB0 | 制造商:Renesas Electronics Corporation 功能描述: |
| HD66503 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver |
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