104
Alvium USB Cameras User Guide V3.3.0
Specifications
ROI frame rates
200 to 300 MBps
Values were measured for
typical operation
in rolling shutter (RS) mode, using the
test setup defined in
To reach the maximum frame rate available for typical operation, the bandwidth
for image traffic is 375 MBps. Increasing the
DeviceLinkThroughputLimit
value
may even increase frame rates if supported by the hardware used.
Image format
Width
[pixels]
Height
[pixels]
ROI area
[pixels]
Frame rate [fps], in RS mode
200 MBps
250 MBps
300 MBps
Full resolution
4,024
3,036
12,216,664
15
19
23
UHD 4K
3,840
2,160
8,294,400
QSXGA
2,560
2,048
5,242,880
WQHD
2,560
1,440
3,686,400
QXGA
2,048
1,536
3,145,728
Full HD
1,920
1,080
2,073,600
UXGA
1,600
1,200
1,920,000
WXGA+
1,440
900
1,296,000
SXGA
1,280
1,024
1,310,720
HD 720
1,280
720
921,600
XGA
1,024
768
786,432
SVGA
800
600
480,000
VGA
640
480
307,200
QVGA
320
240
76,800
QQVGA
160
120
19,200
Maximum × half
4,024
1,518
6,108,432
Maximum × minimum
4,024
8
32,192
Minimum × maximum
8
3,036
24,288
Minimum × minimum
8
8
64
Table 44: Alvium 1800 U-1240m/c ROI frame rates at 200 to 300 MBps
Frame rate values
•
Values are the same for camera operation in RS or GRS mode.
•
In triggered mode, the values for maximum frame rate reached in free run
mode are cut in half.
•
Frame rates increase when bandwidth is increased, see
