參數(shù)資料
型號(hào): SAA7146AHZ
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 消費(fèi)家電
英文描述: Circular Connector; No. of Contacts:66; Series:MS27472; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:18; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:18-35 RoHS Compliant: No
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝: PLASTIC, SOT-316, SQFP-208
文件頁(yè)數(shù): 94/144頁(yè)
文件大?。?/td> 645K
代理商: SAA7146AHZ
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1998 Apr 09
94
Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 81
HPS, horizontal fine-scale
7.12.7
BCS
Table 82
BCS control
Table 83
Luminance brightness control
Table 84
Luminance contrast control
OFFSET
(HEX)
NAME
BIT
TYP.
DESCRIPTION
6C
XIM
31
RW
horizontal interpolation mode
:
0: normal mode, sample phase is calculated for every qualified
sample
1: fixed phase, sample phase is fixed to the value set by XP
start phase for horizontal fine scaling XP = PHO
P
×
128
(PHOP represents a phase offset with values between ‘0’ and ‘1’,
where the ‘1’ represents a distance between two consecutive
pixels of the input pattern)
X Scaler Increment for fine (phase correct) scaling in
horizontal pixel phase arithmetic
:
XSCI = INT [(N
IP
/N
OP
)
×
1024/(SPSC + 1)]
N
OP
= number of output pixels
N
IP
= number of qualified scaler input pixels.
horizontal offset (horizontal start) of input source for HPS, counted
in qualified pixels with PXQ, after selected horizontal sync edge.
XP
30 to 24
RW
XSCI
23 to 12
RW
HXO
11 to 0
RW
OFFSET
(HEX)
NAME
BIT
TYPE
DESCRIPTION
70
BRIG
CONT
SATN
31 to 24
23 to 16
15 to 8
7 to 0
RW
RW
RW
luminance brightness control; see Table 83
luminance contrast control; see Table 84
reserved
chrominance saturation control; see Table 85
D7
D6
D5
D4
D3
D2
D1
D0
GAIN
1
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
255 (bright)
128 (CCIR level)
0 (dark)
D7
D6
D5
D4
D3
D2
D1
D0
GAIN
0
0
0
1
1
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1.999 (max. contrast)
1 (CCIR level)
0 (luminance off)
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