參數(shù)資料
型號(hào): SAA7114H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC comb filter, VBI data slicer and high performance scaler
中文描述: COLOR SIGNAL DECODER, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100
文件頁(yè)數(shù): 65/147頁(yè)
文件大?。?/td> 759K
代理商: SAA7114H
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2004 Mar 03
65
Philips Semiconductors
Product specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI data slicer and high performance scaler
SAA7114
Table 27
Clock and real-time synchronization signals
Note
1.
Pin numbers for LQFP100 in parenthesis.
SYMBOL PIN
(1)
I/O
DESCRIPTION
BIT
Crystal oscillator
XTALI
P2
(7)
P3
(6)
P4
(4)
I
input for crystal oscillator or reference clock
XTALO
O
output of crystal oscillator
XTOUT
O
reference (crystal) clock output drive (optional)
XTOUTE[14H[3]]
Real-time signals (RT port)
LLC
M14
(28)
L14
(29)
L13
(36)
O
line-locked clock, nominal 27 MHz, double pixel clock locked to the
selected video input signal
line-locked pixel clock, nominal 13.5 MHz
LLC2
O
RTCO
O
real-time control output, transfers real-time status information
supporting RTC level 3.1 (see document “RTC Functional Description”
available on request)
real-time status information line 0, can be programmed to carry various
real-time information; see Table 57
real-time status information line 1, can be programmed to carry various
real-time information; see Table 58
RTS0
K13
(34)
L10
(35)
O
RTSE0[3:0] 12H[3:0]
RTS1
O
RTSE1[3:0] 12H[7:4]
9.4
Video expansion port (X port)
The expansion port is intended for transporting video
streams image data from other digital video circuits such
as MPEG encoder/decoder and video phone codec, to the
image port (I port).
The expansion port consists of two groups of signals/pins:
8-bit data, I/O, regularly components video Y-C
B
-C
R
4 : 2 : 2, i.e. C
B
-Y-C
R
-Y, byte serial, exceptionally raw
video samples (e.g. ADC test). In input mode the data
bus can be extended to 16-bit by pins HPD7 to HPD0.
Clock, synchronization and auxiliary signals,
accompanying the data stream, I/O.
As output, these are direct copies of the decoder signals.
The data transfers through the expansion port represent a
single D1 port, with half duplex mode. The SAV and EAV
codes may be inserted optionally for data input (controlled
by bit XCODE[92H[3]]). The input/output direction is
switched for complete fields only.
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