![](/images/backgrounds/220660/220660-3820x1.png)
Control
Video Mode Settings (S800)
Select the video mode you want to use from the tables, and make the required settings.
As examples, the register settings for Format0, Mode5, and a frame rate of 60 fps for the
In addition, an isochronous transfer speed of 800 Mbps, and isochronous channel 0 are used in these examples. Normally, set the isochronous transfer speed to 800 Mbps.
When multiple cameras are used simultaneously, set different isochronous channels for each.
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Address | |||
| V60CR | SX90CR | U100CR |
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F0F00600h | A0000000h | 80000000h | 60000000h |
(FrameRate) |
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F0F00604h | A0000000h | 40000000h | A0000000h |
(VideoMode) |
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F0F00608h | 00000000h | 40000000h | 40000000h |
(VideoFormat) |
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F0F0060Ch | 00008003h | 00008003h | 00008003h |
(IsoChannel / |
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IsoSpeed) |
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Video Mode Settings (S400)
When the camera is used under1394A (S400) conditions, set the isochronous transfer speed to 400 Mbps.
In this case, set the frame rate to 15 fps, as this mode does not support data transfer of SXGA 30 fps.
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| Data |
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Address | |||
| V60CR | SX90CR | U100CR |
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F0F00600h | A0000000h | 60000000h | 60000000h |
(FrameRate) |
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F0F00604h | A0000000h | 40000000h | A0000000h |
(VideoMode) |
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F0F00608h | 00000000h | 40000000h | 40000000h |
(VideoFormat) |
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F0F0060Ch | 02000000h | 02000000h | 02000000h |
(IsoChannel / |
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IsoSpeed) |
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Starting/Stopping Video Transfer (ContinuousShot)
In the device driver, after the preparations for receiving isochronous data are made, video transfer starts when the following commands are issued.
AddressData
F0F00614h80000000h
When the following command is issued video transfer stops.
AddressData
F0F00614h00000000h
OneShot and MultiShot
This camera supports both OneShot and MultiShot commands. With a OneShot command, after outputting just one
AddressData
F0F0061Ch80000000h
MultiShotAddressData
F0F0061Ch4000nnnnh
nnnnindicates the number of frames to be output. You can specify any number between 0001h and FFFFh (1 and 65535). If 0000h is specified, you can think of it as being 1.
Execution of ContinuousShot, OneShot, and MultiShot are prioritized as follows. When a command with higher priority is being executed, the one with the lower priority is ignored.
ContinuousShot > OneShot > MultiShot
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