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參數(shù)資料
| 型號： | SAA5290PS |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Economy teletext and TV microcontrollers |
| 中文描述： | 經(jīng)濟(jì)圖文電視和電視微控制器 |
| 文件頁數(shù)： | 4/33頁 |
| 文件大小： | 360K |
| 代理商： | SAA5290PS |
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February 1995
4
Philips Semiconductors
Preliminary specification
One page Economy Teletext/TV
microcontroller
SAA5290
PINNING
SYMBOL
PIN
DESCRIPTION
P2.0/TPWM
P2.1/PWM0
P2.2/PWM1
P2.3/PWM2
P2.4/PWM3
P2.5/PWM4
P2.6/PWM5
P2.7
P3.0/ADC0
P3.1/ADC1
P3.2/ADC2
P3.3
P3.4
V
SSD1
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
V
SSA
CVBS0
CVBS1
BLACK
1
2
3
4
5
6
7
8
9
10
11
12
30
13
14
15
16
17
18
19
20
21
22
23
24
25
PORT 2
: 8-bit open-drain bidirectional port with alternative functions. P2.0/TPWM is the
output for the 14-bit high precision PWM. P2.1/PWM0 to P2.6/PWM5 are the outputs for
the 6-bit PWMs 0 to 5.
PORT 3
: 5-bit open-drain bidirectional port with alternative functions. P3.0/ADC0 to
P3.2/ADC2 are the inputs for the software ADC facility.
digital ground 1 for teletext and microcontroller circuits.
PORT 0
: 8-bit open-drain bidirectional port. P0.5 and P0.6 have 10 mA current sinking
capability at 0.5 V for direct drive of LEDs.
analog ground.
Composite video input. A positive-going 1 V (peak-to-peak) input is required, connected
via a 100 nF capacitor.
Video black level storage input. This pin should be connected to V
SSA
via a 100 nF
capacitor.
Reference current input for analog circuits, connected to V
SSA
via a 27 k
resistor.
De-interlace output synchronized with the VSYNC pulse to produce a non-interlaced
display by adjustment of the vertical deflection currents.
Digital ground 2.
Open-drain, active LOW output which allows selective contrast reduction of the TV
picture to enhance a mixed mode display.
DC input voltage to define the output HIGH level on the RGB pins.
Dot rate character output of the BLUE colour information.
Dot rate character output of the GREEN colour information.
Dot rate character output of the RED colour information.
Video/data switch push-pull output for dot rate fast blanking.
Horizontal sync dedicated input for a TTL-level version of the horizontal sync pulse. The
polarity of this pulse is programmable by register bit TXT1.H POLARITY.
IREF
FRAME
26
27
V
SSD2
COR
28
29
RGBREF
B
G
R
VDS
HSYNC
31
32
33
34
35
36
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5290ZP | One page Economy Teletext/TV microcontroller |
| SAA5291PS | Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器) |
| SAA5296APS | Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器) |
| SAA5296PS | Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器) |
| SAA5355 | Single-chip colour CRT controller FTFROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5290ZP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
| SAA5290ZP/NV | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
| SAA5291 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
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