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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(diǎn)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(diǎn)陣圖形LCD（點(diǎn)陣圖形LCD128通道驅(qū)動器） |
| 文件頁數(shù)： | 34/50頁 |
| 文件大小： | 177K |
| 代理商： | HD66410 |
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HD66410
34
Reset
The low
RES
signal initializes the HD66410, clearing all the bits in the internal registers. During reset, the
internal registers cannot be accessed.
Note that if the reset conditions specified in the Electric Characteristics section are not satisfied, the
HD66410 will not be correctly initialized. In this case, the internal registers of the HD66410 must be
initialized by software.
Initial Setting of Internal Registers:
All the internal register bits are cleared to 0. Details are listed below.
The data in index register is not affected
The data in the internal RAM are not affected
All counters are cleared to zero
Modes after reset
Normal operation
Oscillator is active
Display is off (including annunciator display)
Booster is not used
Y address of display RAM is incremented
1/33 duty cycle
X and Y addresses are 0
Data in address H’0 is output from the X1 pin
Blink function is inactive
Initial Setting of Pins:
Bus interface pins
During reset, the bus interface pins do not accept signals to access internal registers; data is undefined
when read.
LCD driver output pins
During reset, all the LCD driver output pins (X1 to X161, SEG1 to SEG33, COM1 to COM3) output
V
CC
-level voltage, regardless of data value in the display RAM, turning off the LCD. Here, the output
voltage is not alternated. Note that the same voltage (V
CC
) is applied to both column and row output
pins to prevent liquid crystals from degrading.
Booster output pins
Since the PWR bit in control register 1 is 0 during reset, the booster halts. Accordingly, the output state
of the V
EE
pin depends on the value of the booster’s external capacitor.
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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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