参数资料
型号: NOIV1SE025KA-GDC
厂商: ON Semiconductor
文件页数: 11/76页
文件大小: 0K
描述: IC IMAGE SENSOR 25MP 355PGA
标准包装: 14
系列: *
象素大小: 4.5µm x 4.5µm
有源象素阵列: 5120H x 5120V
每秒帧数: 53
类型: CMOS 成像
封装/外壳: *
供应商设备封装: *
包装: *
NOIV1SN025KA
OPERATING MODES
This sensor supports multiple operation modes. The
following list provides an overview.
? Global Shutter mode
? Pipelined global shutter mode
- Master mode
- Slave mode
? Triggered global shutter
- Master mode
- Slave mode
? Rolling shutter mode
? Multiple windowing readout
? Flexible window configuration
? Processing multiple windows in Global Shutter
mode
? Subsampling and binning
? Pixel binning
? Subsampling
Global Shutter Mode
In a global shutter mode, light integration takes place on
all pixels in sync, although subsequent readout is sequential,
as shown in Figure 7. Figure 8 shows the integration and
readout sequence for the global shutter. All pixels are light
sensitive at the same time. The whole pixel core is reset
simultaneously and, after the integration time, all pixel
values are sampled together on the storage node inside each
pixel. The pixel core is read out line by line after integration.
The integration and readout can occur in parallel or
sequentially.
The integration starts at a certain period, relative to the
frame start.
Pipelined Global Shutter Mode
In pipelined shutter mode, the integration and readout are
done in parallel. Images are continuously read and
integration of frame N is ongoing during readout of the
previous frame N–1. The readout of every frame starts with
a frame overhead time (FOT), during which the analog value
on the pixel diode is transferred to the pixel memory
element. After the FOT, the sensor is read out line by line and
the readout of each line is preceded by the row overhead time
(ROT).
Figure 7. Global Shutter Operation
Master Mode
In this operation mode, the integration time is set through
the register interface and the sensor integrates and reads out
the images autonomously. The sensor acquires images
without any user interaction.
Slave Mode
The slave mode adds more manual control to the sensor.
The integration time registers are ignored in this mode and
the integration time is instead controlled by an external pin.
As soon as the control pin is asserted, the pixel array goes out
of reset and integration starts. The integration continues
until the user or system deasserts the external pin. Upon a
falling edge of the trigger input, the image is sampled and the
readout begins.
Integration Time
Handling
Reset
N
Exposure Time N
FOT
Reset
N+1
Exposure Time N+1
FOT
Readout
Handling
FOT
Readout Frame N-1
FOT
Readout Frame N
FOT
ROT
Line Readout
Figure 8. Integration and Readout for Pipelined Shutter
http://onsemi.com
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