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| 型号： | S5K437CA |
| 厂商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| 中文描述： | 1 / 4光学尺寸640 × 480（VGA）的2.8V的CMOS图像传感器 |
| 文件页数： | 24/36页 |
| 文件大小： | 285K |
| 代理商： | S5K437CA |
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1/4 INCH VGA CMOS IMAGE SENSOR
S5K437CX
20
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subsr = 00b, subsc = 11b
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subsr = 01b, subsc = 01b
Figure 5. Bayer Space Sub-Sampling Examples
1-6. Line Rate and Frame Rate Control (Virtual Frame)
The line rate and the frame rate vary depending on the size of virtual frame. The virtual frame width and depth are
controlled to effective WOI and blank depths. The effective WOI is scaled by the subsampling factors from WOI
set by register values. For CDS and ADC function, the virtual column width must be larger than
(adcres+1)*256/(2^mcdiv)+
110, where adcres is the ADC resolution control register value. The resulting frame
time and line time which are inverse of frame rate and line rate are represented by following equations:
1 frame time = {
wrd / (subsr+1) + vblank
} * (1 line time)
1 line time = {
wcw / (subsc+1) + hblank
} * (
DCLK
period)
1-7. Continuous Frame Capture Mode(CFCM) Integration Time Control (Electronic Shutter Control)
In CFCM operation, the integration time is controlled by shutter operation. The shutter operation is done when
shutter control register (
shutc
) is set to '1'. In shutter operation, the integration time is determined by the Row
Step Integration Time Control Register(
cintr
) and Column Step Integration Time Control Register(cintc). The
resulting integration time is expressed as;
Integration Time = (cintr - 1) * (1 line time) + (cintc +110) * (DCLK period)
where cintr = 1 to { wrd / (subsr+1) + vblank },
case of ( 1<= cintr <= {wrd / (subsr+1) + vblank -1} )
0 <= cintc <= { wcw / (subsc+1) + hblank -44 }.
case of ( cintr = { wrd / (subsr+1) + vblank },
0 <= cintc <= { wcw / (subsc+1) + hblank -205}
1-8. Single Frame Capture Mode(SFCM) Integration Time Control
To capture a still image, SFCM should be set by Single Frame Capture Enable Register(
sfcen
). There are two
types of integration mode implemented. In the rolling shutter mode (
sfcim = 0
), the integration time is controlled
by SFCM Integration Time Register (
sint
). The light integration period for each rows progresses with reading
rows. The integration time is expressed as :
Integration Time =
sint
* (1 line time)
In the mechanical shutter mode (
sfcim = 1
), the integration time for all rows is the period during which the
external input signal,
STRB
is active. After
STRB
gets inactivated, the external mechanical shutter should shut off
incident light on image sensor, and then, the data readout sequence starts.
相关PDF资料 |
PDF描述 |
|---|---|
| S5K437CX01 | 1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| S5K437CX02 | 1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| S5K437CX03 | 1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| S5L1462B01-Q0R0 | CD and DVD playback |
| S5L1462B | CD and DVD playback |
相关代理商/技术参数 |
参数描述 |
|---|---|
| S5K437CX01 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| S5K437CX02 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| S5K437CX03 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:1/4 Optical Size 640x480 (VGA) 2.8V CMOS Image Sensor |
| S5K711CA | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:1/7 CIF CMOS Image Sensor |
| S5K711CA01 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:1/7 CIF CMOS Image Sensor |
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