Allied Vision Technologies MF-145B2 Instruction Manual download pdf (Page 42)

Camera interfaces

MARLIN Technical Manual

Page 34

7.6 Pixel data

Pixel data are transmitted as isochronous data packets in accordance with the 1394 interface

described in IIDC v. 1.3. The first packet of a frame is identified by the “1” in the sync bit (sy) of

the packet header.

Table 20: Isochronous data block packet format: Source: IIDC v. 1.3 specification

Video data for each pixel are output in an 8-bit format. Each pixel has a range of 256 shades of

gray. The digital value 0 is black and 255 is white.

The following table provides a description of the video data format for the different modes.

(Source: IIDC v. 1.3 specification)

Table 21: YUV 4:2:2 and YUV 4:1:1 format: Source: IIDC v. 1.3 specification

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 130 131

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Allied Vision Technologies MF-145B2 Instruction Manual Page 42