Specifications

46 Issue Date: 2004/11/05 │ CONFIDENTIAL
CL765 │ Camera Application Processor
Datasheet │ Doc. #: CLQP-DS-743
D15 D14 D13 D12 D11 D10 D9 D8
BIT W/R
D7 D6 D5 D4 D3 D2 D1 D0
Function
Default
JPEG Window Start Address (0x10)
Display Y Start Address
BIT[15:0] W/R
Display X Start Address
JPEG
Window
Start
Address
0x0000
JPEG Window Width(0x11)
Display Height
BIT[15:0] W/R
Display Width
JPEG
Window
Width
0x78a0
JPEG Target Size(0x14)
Display Target Height
BIT[15:0] W/R
Display Target Width
JPEG
Window
Target
Size
0x78a0
JPEG Window Extension Address(0x9d)
Y Target X Target
BIT[15:0] W/R
Y Width X Width Y Start X Start
JPEG
Window
Extension
Address
0x0000
4.6.2. JPEG Quality
It is available to adjust JPEG quality by adjusting Quantization Scale Factor
during JPEG encoding. In JPEG encoding, As smaller as the value of Quantization
Scale Factor is, the JPEG image quality gets better but the file size gets smaller.
Quantization Scale Factor is adjustable from 0x08 to 0x80.