20
Control
DFW-SX910/X710
Video Mode Settings
Select the video mode you want to use from the tables,
and make the required settings.
As examples, the register settings for Format2, Mode0,
and a frame rate of 7.5 fps for the DFW-SX910, and
Format1, Mode3, and a frame rate of 15 fps for the
DFW-X710, are shown.
In addition, an isochronous transfer speed of 400 Mbps
and isochronous channel 0 are used in these examples.
Normally, set the isochronous transfer speed to 400
Mbps.
When multiple cameras are used simultaneously, set
different isochronous channels for each one.
Data
Address
DFW-SX910
DFW-X710
F0F00600h
40000000h
60000000h
(Frame Rate)
F0F00604h
00000000h
60000000h
(Video Mode)
F0F00608h
40000000h
20000000h
(Video Format)
F0F0060ch
02000000h
02000000h
(IsoChannel/
IsoSpeed)
Starting/Stopping
Video Transfer
(Continuous Shot)
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
One Shot and Multi
Shot
This camera supports both One Shot and Multi Shot
commands. With a One Shot command, after
outputting just one single-frame image, the camera
enters an “idling” state. With a Multi Shot command,
the camera enters the “idling” state after outputting
exactly the specified number of images.
One Shot
Address
Data
F0F0061Ch
80000000h
Multi Shot
Address
Data
F0F0061Ch
4000nnnnh
nnnn indicates the number of frames to be output. You
can specify any number between 0001h ~ FFFFh
(1~65535). If 0000h is specified, you can think of it as
1 being set instead.
Execution of Continuous Shot, One Shot, and Multi
Shot are prioritized as follows. When a command with
higher priority is being executed, one with a lower
priority is ignored.
Priority
Command
1
Continuous Shot
2
One Shot
3
Multi Shot
