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参数资料
| 型号： | OV09121-C00A |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | OV9625 Color CMOS SXGA (1.3 MPixel) CAMERACHIP OV9121 B&W CMOS SXGA (1.3 MPixel) CAMERACHIP |
| 中文描述： | OV9625彩色CMOS SXGA（1.3万像素）的CameraChip OV9121乙 |
| 文件页数： | 26/30页 |
| 文件大小： | 361K |
| 代理商： | OV09121-C00A |
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Functional Description
Version 1.3, September 15, 2003
Proprietary to OmniVision Technologies
5
Omni
ision
Reset
The RESET pin (pin 10) is active high. There is an internal
pull-down (weak) resistor in the sensor so the default
status of the RESET pin is low.
Figure 9 RESET Timing Diagram
There are two ways for a sensor reset:
1.
Hardware reset - Pulling the RESET pin high and
keeping it high for at least 1 ms. As shown in
Figure 9, after a reset has been initiated, the sensor
will be most stable after the period shown as 4096
External Clock.
2.
Software reset - Writing 0x80 to register 0x12 (see
“COMH” on page 20) for a software reset. If a
software reset is used, a reset operation done twice
is recommended to make sure the sensor is stable
and ready to access registers. When performing a
software reset twice, the second reset should be
initiated after the 4096 External Clock period as
shown in Figure 9.
Power-Down Mode
The PWDN pin (pin 7) is active high. There is an internal
pull-down (weak) resistor in the sensor so the default
status of the PWDN pin is low.
Figure 10 PWDN Timing Diagram
1ms
RESET
4096 External Clock
PWDN
Sensor Power Down
Two methods of power-down or standby operation are
available with the OV9625/OV9121.
Hardware power-down may be selected by pulling
the PWDN pin (pin 7) high (+3.3VDC). When this
occurs, the OV9625/OV9121 internal device clock is
halted and all internal counters are reset. The current
draw is less than 10 A in this standby mode.
Software power-down can be effected by setting the
COMC[4] register bit high. Standby current will be
less then 1 mA when in software power-down. All
register content is maintained in standby mode.
SCCB Interface
OV9625/OV9121 provides an on-chip SCCB serial control
port that allows access to all internal registers, for
complete control and monitoring of OV9625/OV9121
operation.
Refer to OmniVision Technologies Serial Camera Control
Bus (SCCB) Specification for detailed usage of the SCCB
interface.
Video Output
RGB Raw Data Output
The OV9625 CAMERACHIP offers 10-bit RGB raw data
output.
B&W Output
The OV9121 offers 10-bit luminance signal data output.
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相关代理商/技术参数 |
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|---|---|
| OV09215-F48V | 制造商:OMNIVISION 制造商全称:OMNIVISION 功能描述:High-Performance Video for Automotive Vision Applications |
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| OV09625-C00A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:OV9625 Color CMOS SXGA (1.3 MPixel) CAMERACHIP OV9121 B&W CMOS SXGA (1.3 MPixel) CAMERACHIP |
| OV09630-C00A | 制造商:Omnivision Technologies Inc 功能描述:1.3 MPIXEL CAMERA CHIP, 1/3"" |
| OV09655-ECJFAA1A-SR | 制造商:Omnivision Technologies Inc 功能描述:SXGA Camera Evaluation kit USB 2.0 |
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