參數(shù)資料
型號(hào)： SAA5246
廠商： NXP Semiconductors N.V.
英文描述： 10K OHM 0.1% 1/16W CHP RES (0603) 103
中文描述： 綜合貴賓和圖文電視IVT1.0
文件頁(yè)數(shù)： 4/50頁(yè)
文件大小： 630K
代理商： SAA5246
January 1993
4
Philips Semiconductors
Product specification
Integrated VIP and Teletext (IVT1.0)
SAA5246A
PINNING
SYMBOL
PIN
DESCRIPTION
SOT240
SOT319
OSCOUT
OSCIN
OSCGND
V
SS
2
3
4
27
28
29
27 MHz crystal oscillator output
27 MHz crystal oscillator input
0 V crystal oscillator ground
0 V ground
5, 14, 25
26, 30, 31,
43, 58
35
36
BLACK
CVBS
7
8
video black level storage pin, connected to ground via a 100 nF capacitor
composite video input pin. A positive-going 1 V (peak-to-peak) input is
required, connected via a 100 nF capacitor
reference current input pin, connected to ground via a 27 k
resistor
+
5 V positive supply
STTV/LFB/FFB polarity selection pin
sync to TV output pin/line flyback input pin. Function controlled by an
internal register bit (scan sync mode)
PLL time constant switch/field input pin. Function controlled by an internal
register bit (scan sync mode)
dot rate character output of the RED colour information
dot rate character output of the GREEN colour information
dot rate character output of the BLUE colour information
input DC voltage to define the output high level on the RGB pins
dot rate fast blanking output
programmable output to provide contrast reduction of the TV picture for
mixed text and picture displays or when viewing newsflash/subtitle pages.
Open-drain output
a 25 Hz output synchronized to the input CVBS field sync pulses to make a
non-interlaced display by adjustment of the vertical deflection currents.
dot rate character output of teletext foreground colour information.
Open-drain output
serial clock input for I
2
C-bus. It can still be driven HIGH during power-down
of the device
serial data port for the I
2
C-bus. Open drain output. It can still be driven
HIGH during power-down of the device
data ports for the page SRAM
not connected
IREF
V
DD
POL
STTV/LFB
9
37
1, 6, 10
11
12
25, 32, 38
39
40
VCR/FFB
13
42
R
G
B
RGBREF
BLAN
COR
15
16
17
18
19
20
44
45
47
48
52
53
ODD/EVEN
21
54
Y
22
55
SCL
23
56
SDA
24
57
D0-D5
n.c.
26-31
60-64, 3
1, 2, 10, 11,
15, 18, 33,
34, 41, 46,
49 - 51, 59
4, 5
D6-D7
32, 33
data ports for the page SRAM
相關(guān)PDF資料
PDF描述
SAA5246A Integrated VIP and Teletext IVT1.0
SAA5246AGP Integrated VIP and Teletext IVT1.0
SAA5246AP Integrated VIP and Teletext IVT1.0
SAA5249GP Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX
SAA5249 Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA5246A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext IVT1.0
SAA5246AGP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext IVT1.0
SAA5246AP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext IVT1.0
SAA5249 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX
SAA5249GP 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated VIP and Teletext with Background Memory Controller IVT1.1BMCX
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