參數(shù)資料
型號(hào)： 935212530518
廠商： NXP SEMICONDUCTORS
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL ENCODER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數(shù)： 11/39頁
文件大小： 289K
代理商： 935212530518
1996 Jul 03
19
Philips Semiconductors
Preliminary specication
Digital Video Encoders (DENC2-M6)
SAA7184; SAA7185B
Table 21 Subaddress 6C
Table 22 Logic levels and function of SRCV1
Table 23 Subaddress 6D
DATA BYTE
LOGIC LEVEL
DESCRIPTION
PRCV2
0
polarity of RCV2 as output is active HIGH, rising edge is taken when input,
respectively. Default after reset
1
polarity of RCV2 as output is active LOW, falling edge is taken when input,
respectively
ORCV2
0
pin RCV2 is switched to input. Default after reset
1
pin RCV2 is switched to output
CBLF
0
if ORCV2 = HIGH, pin RCV2 provides an HREF signal (Horizontal Reference Pulse
that is dened by RCV2S and RCV2E, also during vertical blanking Interval). Default
after reset
if ORCV2 = LOW, signal input to RCV2 is used for horizontal synchronization only
(if TRCV2 = 1). Default after reset
1
if ORCV2 = HIGH, pin RCV2 provides a ‘composite blanking not’ signal i.e. a
reference pulse that is dened by RCV2S and RCV2E, excluding vertical blanking
Interval, which is dened by FAL and LAL (PRCV2 must be LOW)
if ORCV2 = LOW, signal input to RCV2 is used for horizontal synchronization
(if TRCV2 = 1) and as an internal blanking signal
PRCV1
0
polarity of RCV1 as output is active HIGH, rising edge is taken when input,
respectively. Default after reset
1
polarity of RCV1 as output is active LOW, falling edge is taken when input,
respectively
ORCV1
0
pin RCV1 is switched to input. Default after reset
1
pin RCV1 is switched to output
TRCV2
0
horizontal synchronization is taken from RCV1 port. Default after reset
1
horizontal synchronization is taken from RCV2 port
SRCV1
denes signal type on pin RCV1; see Table 22
DATA BYTE
AS OUTPUT
AS INPUT
FUNCTION
SRCV11
SRCV10
0
VS
vertical sync each eld. Default after reset
0
1
FS
frame sync (odd/even)
1
0
FSEQ
eld sequence, vertical sync every fourth eld
(PAL = 0) or eighth eld (PAL = 1)
1
not applicable
DATA BYTE
DESCRIPTION
CCEN
enables individual line 21 encoding; see Table 24
SRCM
denes signal type on pin RCM1; see Table 25
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