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B2521 Raw Order and Pixel Packing (Normal Modes)

In order to achieve maximum frame rates, the MityCAM-B3521F camera shall readout the CIS2521 sensor using both the top and bottom half sensor outputs starting from the center of the sensor towards the top/bottom as illustrated below.

2521 Raw order diagram

Within a row, data is transmitted left to right according to Table 1 and Table 2 below, where P0 is the left most pixel in the region of interest.

Table 1 16 Bits Per Pixel Camera Link Tap Assignments

CamLink Clock 8-Bit Camera Link Tap
J I H G F E D C B A
0 P4 MSB P4 LSB P3 MSB P3 LSB P2 MSB P2 LSB P1 MSB P1 LSB P0 MSB P0 LSB
1 P9 MSB P9 LSB P8 MSB P8 LSB P7 MSB P7 LSB P6 MSB P6 LSB P5 MSB P5 LSB
2 P14 MSB P14 LSB P13 MSB P13 LSB P12 MSB P12 LSB P11 MSB P11 LS P9 MSB P9 LSB

Table 2 8 Bits Per Pixel Camera Link Tap Assignments

CamLink Clock 8-Bit Camera Link Tap
J I H G F E D C B A
0 P9 P8 P7 P6 P5 P4 P3 P2 P1 P0
1 P19 P18 P17 P16 P15 P14 P13 P12 P11 P10
2 P29 P28 P27 P26 P25 P24 P23 P22 P21 P20

B2521 Raw Order and Pixel Packing (Psuedo Single Port)

The latest B2521 firmware supports psuedo single port operation, which presents data to the camera link interface in raster order instead of the row order mentioned above. This mode is only supported in rolling shutter and the frame rate is limited to 1/2 the maximum frame rate on the camera. See the MityCAM-B2521 User's Guide for more information about configuration of this mode.

2521_order.jpg View - 2521 Raw order diagram (25.9 KB) Alexander Block, 11/11/2014 11:29 AM

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