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參數(shù)資料
| 型號(hào)： | HD667B66R |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| 中文描述： | 132 × 176點(diǎn)圖形LCD控制器/驅(qū)動(dòng)器的65K色 |
| 文件頁(yè)數(shù)： | 21/97頁(yè) |
| 文件大?。?/td> | 681K |
| 代理商： | HD667B66R |
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HD66766R Rev. 1.0-1 / September 2002
21
LCD-Driving-Waveform Control (R02h)
Figure 8 LCD-Driving-Waveform Control Instruction
B/C:
When B/C = 0, a B-pattern waveform is generated and alternates in every frame for LCD drive.
When B/C = 1, a C-pattern waveform is generated and alternates in each raster-row specified by bits EOR
and NW4–NW0 in the LCD-driving-waveform control register. For details, see the n-raster-row
Reversed AC Drive section.
EOR:
When the C-pattern waveform is set (B/C = 1) and EOR = 1, the odd/even frame-select signals and
the n-raster-row reversed signals are EORed for alternating drive. EOR is used when the LCD is not
alternated by combining the set values of the number of the LCD drive duty ratio and the n raster-row.
For details, see the n-raster-row Reversed AC Drive section.
RST:
When RST = 1, software reset function is started. This function is the same as hardware RESET
pin. It takes 10 clock cycle period. This bit is automatically cleared after reset function is completed.
Therefore, before 10-clock cycle other instruction can not be issued. Do not set the RST bit during
stand-by mode.
NW5–0:
Specify the number of raster-rows n that will alternate at the C-pattern waveform setting (B/C =
1). NW5–NW0 alternate for every set value + 1 raster-row, and the first to the 64th raster-rows can be
selected.
Power Control 1 (R03h)
Power Control 2 (R0Ch)
Figure 9 Power Control Instruction
BS3-0:
The LCD drive bias value is set. The LCD drive bias value can be selected according to its drive
duty ratio and voltage.
BT2–0:
The output factor of step-up circuit is switched. The LCD drive voltage level can be selected
according to its drive duty ratio and bias. Lower amplification of the step-up circuit consumes less
current.
BT3
: Operation/halt of voltage inverting circuit is set. BT3=”0”: voltage-inverting circuit is halted.
BT3=”1”: voltage-inverting circuit is operated. See the Power-on/off Sequence section to be activated.
W
1
0
R/W
RS
DB7
DB0
DB6
DB5
DB4
DB3
DB2
DB1
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
0
0
0
0
0
B/C
EOR
0
NW4 NW3 NW2 NW1 NW0
RST
NW5
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相關(guān)代理商/技術(shù)參數(shù) |
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| HD66840 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Peripheral IC |
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| HD66841FP | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Controller |
| HD66841FS | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:LCD Controller |
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