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| Q: |
How can I reverse the image on the small size panel used on AV applications? |
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| A: |
Looking at Pin 37 & Pin 39 on UPS015 or UPS017
- If pin 37 is set to HIGH (default) the imaged is scanned downward
- If pin 37 is set to LOW the image is scanned upward
- If pin 39 is set to HIGH (default) the image is scanned from right to left
- If pin 39 is set to LOW, the image is scanned from left to right |
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| Q: |
How can I reverse the image on AU's 3.5" reflective type panel used on PDA applications? |
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| A: |
Looking at Pin 5 (LR) & Pin 6 (UD) on UPS101
- If pin 5 (LR) is set to HIGH (normal), the image is scanned from left to right
- If pin 5 (LR) is set to LOW (reverse), the image is scanned from right to left
- If pin 6 (UD) is set to HIGH (normal) the imaged is scanned downward
- If pin 6 (UD) is set to LOW (reverse) the imaged is scanned upward |
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| Q: |
How do I select between Portrait and Landscape mode for the 3.5" reflective type LCD? |
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| A: |
Looking at Pin 32 (RES), which controls resolution on UPS101
- When pin 32 (RES) is set to HIGH the image is displayed in Portrait mode (240x320)
- When pin 32 (RES) is set to LOW the image is displayed in Landscape mode (320x240) |
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| Q: |
How can I choose between Analog RGB input and Composite video input from the "R" serial driving board? |
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| A: |
Looking at Pin 4 on JP1
- When pin 4 is set to LOW (default) the input signal is Composite video
- When pin 4 is set to HIGH the input signal is Analog RGB |
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| Q: |
Which driving board supports digital input signal? |
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| A: |
The "D" serial driving board supports digital input signal. This driving board has the capacity to deliver 8-bits data from the display memory to the proper LCD interface. |
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| Q: |
How do I zoom in or zoom out on the 7" or 6.5" widescreen display? |
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| A: |
The zoom function is controlled from Pin 20 (ZX1), Pin 21 (ZX2) and Pin 22 (ZX3) on UPS017 |
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| Display Mode |
ZX1 |
ZX2 |
ZX3 |
Note |
| Full |
HIGH |
HIGH |
HIGH |
To display 4:3 signal on 16:9 screen |
| Zoom1 |
LOW |
HIGH |
HIGH |
Central 176 lines of input signals are displayed on full screen. (Vertically extension, zoom factor=4/3) |
| Zoom-Wide1 |
HIGH |
LOW |
HIGH |
Central 176 lines of input signals are displayed on full screen. (Vertically extension and different horizontal timing scaling) |
| Normal |
LOW |
LOW |
HIGH |
Input signal (4:3) are displayed on center 75% of screen (4:3 aspect-ratio) |
| Zoom2 |
HIGH |
HIGH |
LOW |
Lower 205 lines of input signals are displayed on full screen. (Zoom factor = 8/7, vertically offset extension) |
| Wide |
LOW |
HIGH |
LOW |
Input signals are displayed on full screen. (Different horizontal timing scaling) |
| Zoom-Wide2 |
HIGH |
LOW |
LOW |
Lower 205 lines of input signals are displayed on full screen. (Vertically extension and different horizontal timing scaling) |
| Zoom3 |
LOW |
LOW |
LOW |
Center 205 lines of input signals are displayed on full screen. (Vertically extension, zoom factor=4/3) |
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| Q: |
How can the image quality be improved? |
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| A: |
Grounding is necessary. |
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| Q: |
How can I supply power to AU's 3.5" reflective type LCD? |
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| A: |
DVCC: 3.3V --> Source driver received digital power
AVDD : 3.3V --> Analog power
VGH : +12V --> Gate high voltage
VGL : -12V --> Gate low voltage
VCOM : +5V --> Common electrode
VCC : 3.3V --> Gate driver receives digital power |
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| Q: |
What does “AVDD1” mean on the TFT LCD A018AN03-1/A015AN02-1 panel driving section? |
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| A: |
AVDD1 is defined by the Vcac from the Vcom.
It supplies positive power for level shift circuit. |
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| Q: |
What is the function of the OUT_DE pin on H035QR02V2? |
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| A: |
The OUT_DE pin on ASIC is only a test pin to determine if the ASIC is functioning properly. The OUT_DE pin does not need to be connected. If the OUT_DE pin receives a Data enable signal, this signifies the ASIC is normal, otherwise the ASIC is non-functioning. |
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