VS6724 Datasheet, PDF (68/118 Pages) STMicroelectronics – 2 Megapixel single-chip camera module

Programming model and register description
VS6724
Video timing control
Table 21. Video timing control
Index
VideoTimingControl⁽¹⁾
0x0880
bSysClkMode
Default value
Purpose
Type
Possible values
bfpUserPLLClk
0x0883(MSByte)
0x0884(LSByte)
Default value
Purpose
Type
Possible values
1. Must be controlled in STOP state
0x00
User selection between using default system clock frequency or
selecting this frequency manually
CODED
<0>Normal - Default PLL frequency
<1>user - Manual selection of PLL frequency
0x00
User selectable system clock frequency
FLOAT - number of MHz
Minimum = 6
Maximum = 270 (Max required for 30fps)
Frame dimension parameter host inputs
Table 22. Frame dimension parameter host inputs
Index
FrameDimensionParameterHostInputs⁽¹⁾
bLightingFrequencyHz
0x0b80
Default value
Purpose
Type
0x64
AC Frequency - used for flicker free time period calculations this mains
frequency determines the flicker free time period.
BYTE
fFlickerCompatibleFrameLength
0x0b82
Default value
Purpose
Type
Possible values
<0> FALSE
flicker_compatible_frame_length
Flag_e
<0> FALSE
<1> TRUE
1. Can be controlled in all stable states
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