Sony XCDSX90 User Manual (XCDV60_V60CR_SX90_SX90CR_U100_U100CR_Technical_Manua - Page 30

Memory Shot, Switching to Memory shot mode, Switching to normal mode

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Control Memory Shot Switching to Memory shot mode Write the following three commands in sequence. Address F0F30000 F0F30004 F0F30008 Data 08004600 0010FFFF 80000000 Switching to normal mode Write the following three commands in sequence. Address F0F30000 F0F30004 F0F30008 Data 08004600 0010FFFF 00000000 When the Memory shot mode is set, the following control registers become effective. Address F0F40000 Data 010000nn F0F40004 Starts recording and obtains the status information. Obtains the number of frames that can be recorded. 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. 30

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Control
30
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.