參數(shù)資料
型號: HCD66717A03BP
廠商: Hitachi,Ltd.
元件分類: 晶體
英文描述: (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)
中文描述: (低功耗點陣液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 63/90頁
文件大小: 716K
代理商: HCD66717A03BP
HD66717
515
Annunciator Drive
Figure 37 shows annunciator drive output waveforms in two modes.
i) Normal mode and sleep mode
ii) Standby mode (without oscillation)
V
CC
level
V
CC
level
V
CC
level
AGND level
AGND level
AGND level
AGND level
AGND level
V
CC
level
V
CC
level
V
CC
level
V
CC
level
Display off
Display on
1 frame
ACOM
ASEG1
ASEG2
EXM
(Input)
V
CC
level
V
CC
level
V
CC
level
AGND level
AGND level
AGND level
V
CC
level
V
CC
level
V
CC
level
ACOM
ASEG1
ASEG2
Display off
Display on
1 frame
Note: If annunciator display is unnecessary during standby mode, make sure to fix the EXM pin to the V
CC
or GND level
and set the annunciator display ON bit (DA) to 0. This will prevent dark display and liquid-cell deterioration due to
DC bias application on liquid crystal cells.
Figure 37 Annunciator Drive Output Waveforms
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