pnx1500 NXP Semiconductors, pnx1500 Datasheet - Page 794

• Manufacturer Part Number: pnx1500
• Description: Pnx15xx Series Connected Media Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Volume 1 of 1
PNX15XX_SER_3
Product data sheet
Figure 9:
(b)
(c)
Planar YUV 4:2:0 and 4:2:2 Formats
Py
(a)
Pv
Pu
Y linepitch
U linepitch
V linepitch
Planar or 3-Plane Format
An image is described by 3 pointer values (Py, Pu, Pv). Each pointer points to a 2D
array of Y, U and V values as shown in
Semi-Planar or 2-Plane Format
An image is described by 2 pointer values (Py, Puv). The Y pointer points to a 2D
array of Y values. The Puv pointer points to a 2D array of UV pair values. Note that
the U value of a UV pair always has the lower byte address. See
1 byte
1 byte
1 byte
c
a
b
Y1
Y1
Y1
U1
V1
V1
U1
U1
V1
a+1
b+1
c+1
Y2
Y2
V2
Y2
U2
U2
U2
V2
V2
a+2
b+2
c+2
Y3
Y3
Y3
U3
V3
V3
V3
U3
U3
. . . .
. . . .
. . . .
. . . .
. . . .
. . . .
Rev. 3 — 17 March 2006
W pixels
k = W/2 times
k = W/2 times
. . . .
. . . .
. . . .
. . . .
. . . .
. . . .
. . . .
. . . .
. . . .
a+2k-1
Y2k
Y2k
Y2k
Uk
Vk
Vk
Uk
Uk
Vk
Figure
1st line
2nd line
last line
9.
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
H lines
n = H/2times (4:2:0)
n = H times (4:2:2)
n = H/2 times (4:2:0)
n = H times (4:2:2)
Chapter 28: Pixel Formats
PNX15xx Series
Figure
10.
28-7