Pike
Technical
Manual
V5.2.3
96
Camera interfaces
Camera
interfaces
•
The
video
data
for
each
pixel
are
output
in
either
8-bit
or
14-bit
format
(Packed
12-Bit
Mode:
12-bit
format).
•
Each
pixel
has
a
range
of
256
or
16384
(Packed
12-Bit
Mode:
4096)
shades
of
gray.
•
The
digital
value
0
is
black
and
255
or
16383
(Packed
12-Bit
Mode:
4095)
is
white.
In
16-bit
mode
the
data
output
is
MSB
aligned.
Description of video data formats
The
following
tables
provide
a
description
of
the
video
data
format
for
the
different
modes.
(Source:
IIDC
V1.31;
packed
12-bit
mode:
Allied
Vision)
<YUV8
(4:2:2)
format>
Each
component
has
8-bit
data.
Field
Description
data_length
Number
of
bytes
in
the
data
field
tg
Tag
field
shall
be
set
to
zero
channel
Isochronous
channel
number,
as
programmed
in
the
iso_channel
field
of
the
cam_sta_ctrl
register
tCode
Transaction
code
shall
be
set
to
the
isochronous
data
block
packet
tCode
sy
Synchronization
value
(sync
bit)
This
is
one
single
bit.
It
indicates
the
start
of
a
new
frame.
It
shall
be
set
to
0001h
on
the
first
isochronous
data
block
of
a
frame,
and
shall
be
set
to
zero
on
all
other
isochronous
blocks
Video
data
payload
Shall
contain
the
digital
video
information
Table 35: Description of data block packet format
<YUV8 (4:2:2) format>
U
(K+0)
Y
(K+0)
V
(K+0)
Y
(K+1)
U
(K+2)
Y
(K+2)
V
(K+2)
Y
(K+3)
U
(K+4)
Y
(K+4)
V
(K+4)
Y
(K+5)
U
(K+Pn-6)
Y
(K+Pn-6)
V
(K+Pn-6)
Y
(K+Pn-5)
Table 36: YUV8 (4:2:2) format: Source: IIDC V1.31
