Display And Interface; Only For Training And Service Purposes - LG KP235 Service Manual

3. TECHNICAL BRIEF

3.6 Display and Interface

• Main LCD
Properties
Active Screen Size
Color Depth
Resolution
• Sub LCD
Properties
Active Screen Size
Color Depth
Resolution
Controlled by L_MAIN_LCD_CS, L_SUB_LCD_CS, LCD_RESET, LCD_RS, LCD_WR, LCD_RD,
LCD_IF, L_DATA[00: 15] ports
• L_MAIN_LCD_CS: MAIN LCD driver chip enable. MAIN LCD driver IC has own CS pin
• LCD_RESET: This pin resets LCD module. This signal comes from AD6721 directly.
• LCD_RS: This pin determines whether the data to LCD module are display data or control data.
• LCD_WR: Write control Signal
• LCD_RD: Read control Signal. But this pin used only for debugging.
• L_DATA[00:15]: Parallel data lines.
• LCD_ID: LCD type selection signals
- LCD_ID: LCD maker(0V for LGIT, 2.8V for Sharp)
• For using 262K color, data buses should be 16 bits.
LGE Internal Use Only
Spec.
33.8mm(W) x 46.24mm(H)
262K TFT
128 x RGB x 160
Spec.
18.902mm(W) x 13.43mm(H)
65K CSTN
96 x 64
- 28 -
Unit
mm
colors
dots
Unit
mm
colors
dots
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Only for training and service purposes