參數(shù)資料
型號: 935268832557
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP160
封裝: 28 X 28 MM, 3.40 MM HEIGHT, LEAD FREE, PLASTIC, MS-022, SOT322-2 , QFP-160
文件頁數(shù): 29/178頁
文件大?。?/td> 988K
代理商: 935268832557
2004 Jul 22
124
Philips Semiconductors
Product specication
Multistandard video decoder with adaptive
comb lter and component video input
SAA7118
Note
1. The meaning of ‘preferred standard’ is, that the internal search machine will always give priority to the selected
standard, thus the recognition time for these standards is kept short.
15.2.16 SUBADDRESS 0FH
Table 54 Chrominance gain control; 0FH[7:0]
14H[2]
and
0EH[1]
automatic chrominance
standard detection control
AUTO[1:0]
00
disabled
01
active, lter settings and sharpness control are preset to
default values according to the detected standard and
mode; recommended setting
10
active, lter settings are preset to default values
according to the detected standard and mode
11
active, but no lter presets
D0
adaptive chrominance
comb lter
CCOMB
0
disabled
1
active
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
D7
automatic chrominance
gain control
ACGC
0
on; recommended setting
1
programmable gain via CGAIN6 to CGAIN0; need to be
set for SECAM standard
D[6:0] chrominance gain value
(if ACGC is set to logic 1)
CGAIN[6:0] 000 0000 minimum gain (0.5)
010 0100 nominal gain (1.125)
111 1111 maximum gain (7.5)
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
50 Hz/625 LINES
60 Hz/525 LINES
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