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參數資料
| 型號： | 935264425557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP44 |
| 封裝： | PLASTIC, SOT-307, QFP-44 |
| 文件頁數： | 30/35頁 |
| 文件大小： | 261K |
| 代理商： | 935264425557 |
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1997 Jan 06
4
Philips Semiconductors
Preliminary specication
Digital Video Encoder (ConDENC)
SAA7120; SAA7121
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
res.
1
reserved
SP
2
I
test pin; connected to digital ground for normal operation
AP
3
I
test pin; connected to digital ground for normal operation
LLC
4
I
line-locked clock; this is the 27 MHz master clock for the encoder
VSSD1
5
I
digital ground 1
VDDD1
6
I
digital supply voltage 1
RCV1
7
I/O
raster control 1 for video port; this pin receives/provides a VS/FS/FSEQ signal
RCV2
8
I/O
raster control 2 for video port; this pin provides an HS pulse of programmable length or
receives an HS pulse
MP7
9
I
MPEG port; it is an input for
“CCIR 656” style multiplexed Cb Y, Cr data
MP6
10
I
MP5
11
I
MP4
12
I
MP3
13
I
MP2
14
I
MP1
15
I
MP0
16
I
VDDD2
17
I
digital supply voltage 2
VSSD2
18
I
digital ground 2
RTCI
19
I
Real Time Control input; if the LLC clock is provided by an SAA7111 or SAA7151B,
RTCI should be connected to pin RTCO of the decoder to improve the signal quality
res.
20
reserved
SA
21
I
the I2C-bus slave address select input pin; LOW: slave address = 88H, HIGH = 8CH
res.
22
reserved
res.
23
reserved
C
24
O
analog output of the chrominance signal
VDDA1
25
I
analog supply voltage 1 for the C DAC
res.
26
reserved
Y
27
O
analog output of VBS signal
VDDA2
28
I
analog supply voltage 2 for the Y DAC
res.
29
reserved
CVBS
30
O
analog output of the CVBS signal
VDDA3
31
I
analog supply voltage 3 for the CVBS DAC
VSSA1
32
I
analog ground 1 for the DACs
VSSA2
33
I
analog ground 2 for the oscillator and reference voltage
XTALO
34
O
crystal oscillator output (to crystal)
XTALI
35
I
crystal oscillator input (from crystal); if the oscillator is not used, this pin should be
connected to ground
VDDA4
36
I
analog supply voltage 4 for the oscillator and reference voltage
XCLK
37
O
clock output of the crystal oscillator
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