參數(shù)資料
型號: 935262451518
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP100
封裝: 14 X 14 X 1.40 MM, PLASTIC, SOT-407, LQFP-100
文件頁數(shù): 142/144頁
文件大?。?/td> 592K
代理商: 935262451518
2000 Mar 15
97
Philips Semiconductors
Preliminary specication
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb lter, VBI-data slicer and high performance scaler
SAA7114H
15.2.15 SUBADDRESS 0EH
Table 51 Chrominance control 1; 0EH[7:0]
15.2.16 SUBADDRESS 0FH
Table 52 Chrominance gain control; 0FH[7:0]
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
50 Hz/625 LINES
60 Hz/525 LINES
D7
clear DTO
CSTDO
0
disabled
1
Every time CDTO is set, the internal subcarrier DTO
phase is reset to 0
° and the RTCO output generates a
logic 0 at time slot 68 (see external document
“RTC
Functional Description”, available on request). So an
identical subcarrier phase can be generated by an
external device (e.g. an encoder).
D[6:4] colour standard selection
CSTD[2:0]
000
PAL BGDHI (4.43 MHz)
NTSC M (3.58 MHz)
001
NTSC 4.43 (50 Hz)
PAL 4.43 (60 Hz)
010
Combination-PAL N
(3.58 MHz)
NTSC 4.43 (60 Hz)
011
NTSC N (3.58 MHz)
PAL M (3.58 MHz)
100
reserved
NTSC-Japan (3.58 MHz)
101
SECAM
reserved
110
reserved; do not use
111
reserved; do not use
D3
disable chrominance
vertical lter and PAL
phase error correction
DCVF
0
chrominance vertical lter and PAL phase error
correction on (during active video lines)
1
chrominance vertical lter and PAL phase error
correction permanently off
D2
fast colour time constant
FCTC
0
nominal time constant
1
fast time constant for special applications
D0
adaptive chrominance
comb lter
CCOMB
0
disabled
1
active
BIT
DESCRIPTION
SYMBOL
VALUE
FUNCTION
D7
automatic chrominance
gain control
ACGC
0
on
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)
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