參數(shù)資料
型號(hào): SAF7113
廠商: NXP Semiconductors N.V.
英文描述: 9-bit video input processor
中文描述: 9位視頻輸入處理器
文件頁(yè)數(shù): 31/80頁(yè)
文件大小: 281K
代理商: SAF7113
2000 May 08
31
Philips Semiconductors
Product specification
9-bit video input processor
SAF7113H
Table 13
YUV data format on the 8-bit VPO-bus (data types 6 and 15)
Table 14
Explanation to Table 13
BLANKING
PERIOD
TIMING
REFERENCE
CODE
720 PIXELS YUV 4 : 2 : 2 DATA
TIMING
REFERENCE
CODE
BLANKING
PERIOD
...
80
10
FF 00 00 SAV C
B
0 Y0 C
R
0 Y1 C
B
2 Y2 ... C
R
718 Y719 FF 00 00 EAV 80
10
...
NAME
EXPLANATION
SAV
C
B
n
Yn
C
R
n
EAV
start of active video range; see Tables 5 to 7
U (B
Y) colour difference component, pixel number n = 0, 2, 4 to 718
Y (luminance) component, pixel number n = 0, 1, 2, 3 to 719
V (R
Y) colour difference component, pixel number n = 0, 2, 4 to 718
end of active video range; see Tables 5 to 7
LUMINANCE 100%
+
255
+
235
+
128
+
16
0
white
black
U-COMPONENT
+
255
+
240
+
212
+
212
+
128
+
16
+
44
0
blue 100%
blue 75%
yellow 75%
yellow 100%
colourless
V-COMPONENT
+
255
+
240
+
128
+
16
+
44
0
red 100%
red 75%
cyan 75%
cyan 100%
colourless
MGC634
Fig.23 YUV 4 : 2 : 2 levels on the 8-bit VPO-bus (data types 6 and 15).
Equations for modification to the YUV levels via BCS control I
2
C-bus bytes BRIG, CONT and SATN.
Luminance:
Chrominance:
It should be noted that the resulting levels are limited to 1 to 254 in accordance with ITU-601/656 standard.
Y
OUT
IntC71
-----------------
Y
128
(
)
×
BRIG
+
=
UV
OUT
Int-----64
C
R
C
B
,
128
(
)
×
128
+
=
a. Y output range.
b. U output range (C
B
).
c. V output range (C
R
).
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