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參數(shù)資料
| 型號(hào)： | CXA7005R |
| 英文描述： | LCD Driver |
| 中文描述： | LCD驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 20/25頁 |
| 文件大小： | 274K |
| 代理商： | CXA7005R |
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CXA7004R
SID Signal Generator Block
This circuit generates the precharge signal waveform used by the LCD panel.
The SID_OUT output level switching function is set on and off by the Mode setting (D2): SIDON.
When SIDON is low level, adjustment uses only the register setting: SID control A. When SIDON is high level,
adjustment is possible using both the register settings: SID control A and SID control B.
In addition, the SID_OUT output level relative to the signal center voltage can be set by the register settings:
SID control A and SID control B. Adjustment is possible in 50mV/LSB steps from 00h: SIG_C ± 5.5V to 7Fh:
SIG_C ± 0.1V for both settings.
SID_OUT cannot directly drive the precharge signal input of the LCD panel, so it should be connected through
a buffer having sufficient current supply capability.
VCOM Voltage Generator Block
This block sets the DC common potential for the LCD panel.
The SIG_OUT center potential set by the SIG_C voltage can be adjusted by the register setting VCOM control.
Adjustment is possible in 17.5mV/LSB steps from 00h: SIG_C – 2V to 7Fh: SIG_C – 0.1V.
SIDON: H
Adjusted by
SIDA6 to SIDA0
Adjusted by
SIDB6 to SIDB0
SIDON: L
Adjusted by only
SIDA6 to SIDA0
SID_OUT
SIG_C
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