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| 型号： | NOIV1SE025KA-GDC |
| 厂商： | ON Semiconductor |
| 文件页数： | 19/76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： | * |
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NOIV1SN025KA
Table 18. DYNAMIC READOUT PARAMETERS
Group
Subsampling/binning
Black lines
Dummy lines
ROI configuration
Exposure reconfiguration
Gain reconfiguration
Addresses
192[7]
192[8]
197
198
195-196
256–351
199-201
204
Description
Subsampling or binning is synchronized to a new frame start.
Reconfiguration of these parameters causes one frame to be blanked out in rolling shutter
operation mode, as the reset pointers need to be recalculated for the new frame timing.
No blanking in global shutter mode
Reconfiguration of these parameters causes one frame to be blanked out in rolling shutter
operation mode, as the reset pointers need to be recalculated for the new frame timing.
N/A for global shutter mode.
Optionally, it is possible to blank out one frame after reconfiguration of the active ROIs in
rolling shutter mode. Therefore, register 206[8] must be asserted (blank_roi_switch config-
uration).
An ROI switch is only detected when a new window is selected as the active window (re-
configuration of registers 195, 196, or both). Reconfiguration of the ROI dimension of the
active window does not lead to a frame blank and can cause a corrupted image.
Exposure reconfiguration does not cause artifact. However, a latency of one frame is ob-
served unless reg_seq_exposure_sync_mode is set to ‘1’ in triggered global mode (mas-
ter).
Gains are synchronized at the start of a new frame. Optionally, one frame latency can be
incorporated to align the gain updates to the exposure updates (refer to register 204[13] -
gain_lat_comp).
Freezing Active Configurations
Though the readout parameters are synchronized to frame
boundaries, an update of multiple registers can still lead to
a transient effect in the subsequent images, as some
configurations require multiple register uploads. For
example, to reconfigure the exposure time in master global
mode, both the fr_length and exposure registers need to be
updated. Internally, the sensor synchronizes these
configurations to frame boundaries, but it is still possible
that the reconfiguration of multiple registers spans over two
or even more frames. To avoid inconsistent combinations,
freeze the active settings while altering the SPI registers by
disabling synchronization for the corresponding
functionality before reconfiguration. When all registers are
uploaded, re-enable the synchronization. The sensor ’s
sequencer then updates its active set of registers and uses
them for the coming frames. The freezing of the active set
of registers can be programmed in the sync_configuration
registers, which can be found at the SPI address 206.
Figure 15 shows a reconfiguration that does not use the
sync_configuration option. As depicted, new SPI
configurations are synchronized to frame boundaries.
With sync_configuration = ‘1’. Configurations are
synchronized to the frame boundaries (The registers
exposure, fr_length, and mult_timer are not used in this
mode)
Figure 16 shows the usage of the sync_configuration
settings. Before uploading a set of registers, the
corresponding sync_configuration is deasserted. After the
upload is completed, the sync_configuration is asserted
again and the sensor resynchronizes its set of registers to the
coming frame boundaries. As seen in the figure, this ensures
that the uploads performed at the end of frame N+2 and the
start of frame N+3 become active in the same frame (frame
N+4).
Time Line
Frame N
Frame N+1
?Frame N+2
? Frame N+3
Frame N+4
SPI Registers
Active Registers
Figure 15. Frame Synchronization of Configurations (no freezing)
http://onsemi.com
19
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相关代理商/技术参数 |
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| NOIV1SE1300A-QDC | 功能描述:图像传感器和彩色传感器 VITA 1300 1.3 Mpx 150FPS Globl Shutter RoHS:否 制造商:Avago Technologies 类型:Color Sensors 工作电源电压:2.5 V 封装 / 箱体: 图象大小: 颜色读出:Color 最大工作温度:+ 70 C 最小工作温度:- 25 C 封装:Reel |
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| NOIV1SE2000A-QDC | 功能描述:IC IMAGE SENSOR 2.3MP 52LLC RoHS:是 类别:传感器，转换器 >> 图像，相机 系列:* 标准包装:480 系列:- 象素大小:6.7µm x 6.7µm 有源象素阵列:768H x 488V 每秒帧数:52 电源电压:3.3V 类型:CMOS 成像 封装/外壳:48-QFP 供应商设备封装:48-QFP 包装:托盘 请注意:* 配用:4H2105-ND - HEADBOARD FOR KAC-004014H2104-ND - KIT EVAL FOR KAC-00401 其它名称:4H20954H2095-NDKAC-00401-CBC-LB-A0 |
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