參數(shù)資料
型號: 935212530518
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL ENCODER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 9/39頁
文件大?。?/td> 289K
代理商: 935212530518
1996 Jul 03
17
Philips Semiconductors
Preliminary specication
Digital Video Encoders (DENC2-M6)
SAA7184; SAA7185B
Table 16 Subaddress 62
Notes
1. Recommended value: BSTA = 102 (66H).
2. Recommended value: BSTA = 72 (48H).
3. Recommended value: BSTA = 106 (6AH).
4. Recommended value: BSTA = 75 (4BH).
Table 17 Subaddress 63 to 66 (four bytes to program subcarrier frequency)
Note
1. Examples:
a) NTSC-M: ffsc = 227.5, fllc = 1716 → FSC = 569408543 (21F07C1FH).
b) PAL-B/G: ffsc = 283.7516, fllc = 1728 → FSC = 705268427 (2A098ACBH).
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
BSTA
amplitude of colour burst;
input representation in
accordance with
CCIR 601
white-to-black = 92.5 IRE;
burst = 40 IRE; NTSC encoding
BSTA = 0 to 1.25
× nominal(1)
white-to-black = 92.5 IRE;
burst = 40 IRE; PAL encoding
BSTA = 0 to 1.76
× nominal(2)
white-to-black = 100 IRE;
burst = 43 IRE; NTSC encoding
BSTA = 0 to 1.20
× nominal(3)
white-to-black = 100 IRE;
burst = 43 IRE; PAL encoding
BSTA = 0 to 1.67
× nominal(4)
DECTYP
real time control input (RTCI)
logic 0
control from SAA7151B digital
colour decoder
logic 1
control from SAA7111 video
input processor (VIP)
DATA BYTE
DESCRIPTION
CONDITIONS
REMARKS
FSC0 to FSC3 ffsc = subcarrier frequency
(in multiples of line
frequency);
fllc = clock frequency (in
multiples of line frequency)
see note 1
FSC3 = most signicant byte
FSC0 = least signicant byte
FSC
round
f
fsc
f
llc
--------
2
32
×
=
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