Allied Vision Technologies MF-145B2 Instruction Manual download pdf (Page 48)

Camera interfaces

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

The video data for each pixel are outputted in either 8or 10-bit format. Each pixel has a range of

black and 255 or 1023 is white. In 16 bit mode

e data output is MSB aligned.

The following table provides a description of t different modes.

(Source: IIDC v. 1.3 specif

256 or 1024 shades of gray. The digital value 0 is

he video data format for the

ication)

Table 25: YUV 4:2:2 and YUV 4:1:1 format: Source: IIDC v. 1.3 specification

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Allied Vision Technologies MF-145B2 Instruction Manual Page 48