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13
Control
XCD-V50CR
XCD-V50
Video Mode Settings
Select the video mode you want to use from the tables,
and make the required settings. As example, the
register setting for Format0, Mode5, and a frame rate
of 60 fps is shown.
In addition, an isochronous transfer speed of
800 Mbps, and isochronous channel 0 are used in this
example. When you use the camera via the 1394a
interface, set the isochronous transfer speed to 400
Mbps.
When multiple cameras are used simultaneously, set
different isochronous channels for each one.
Address
Data
F0F00600h
A0000000h
60fps
(FrameRate)
F0F00604h
A0000000h
Mode5
(VideoMode)
F0F00608h
00000000h
Format0
(VideoFormat)
F0F0060Ch
00008003h
Ch=0/800Mbps
(IsoChannel/
IsoSpeed)
When the transfer speed is set to 400 Mbps, also make
the following settings.
Address
Data
F0F0060Ch
02000000h
Ch=0/400Mbps
(IsoChannel/
IsoSpeed)
Inquiring the Effective
Bit Length
You can verify the effective bit length in each mode
after you set the video modes.
Address
Data
F0F00630h
08000000h
Mono8 at setting
(FrameRate)
F0F00630h
0E000000h
Mono16 at setting
(VideoMode)
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.
Address
Data
F0F00614h
80000000h
When the following command is issued, video transfer
stops.
Address
Data
F0F00614h
00000000h