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Memory Shot
Switching to Memory shot mode
Write the following three commands in sequence.
Switching to normal mode
Write the following three commands in sequence.
When the Memory shot mode is set, the following
control registers become effective.
Operation when the trigger mode is set
1
Before starting, stop video and open the
isochronous resource.
2
Set trigger mode to ON.
3
Switch to Memory shot mode.
4
Read F0F40004 to obtain the maximum number of
frames.
5
Write 010000nn for F0F40000 to start recording.
(nn represents the number of frames to be used for
recording.)
6
Input triggers required number of times.
7
Read F0F40000 to check the recording status.
01000000 indicates during recording, and
010100nn indicates recording has stopped.
8
Set trigger mode to OFF.
9
Secure the isochronous resource and start video.
The recorded images are output continuously.
If trigger mode remains ON, one image is output
each time a trigger is input.
10
Read F0F40000 to check the playback status.
02000000 indicates during playback, and
02010000 indicates playback has stopped.
When playback stop is confirmed, stop video and
open the isochronous resource.
To continue recording/playback, go back to step 5.
11
To stop Memory shot, switch to normal mode.
Address Data
F0F30000 08004600
F0F30004 0010FFFF
F0F30008 80000000
Address Data
F0F30000 08004600
F0F30004 0010FFFF
F0F30008 00000000
Address Data
F0F40000 010000nn Starts recording and obtains
the status information.
F0F40004 Obtains the number of frames
that can be recorded.