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參數(shù)資料
| 型號： | SAA5290 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | One page Economy Teletext/TV microcontroller |
| 中文描述： | 一頁經(jīng)濟圖文電視/電視微控制器 |
| 文件頁數(shù)： | 5/33頁 |
| 文件大小： | 360K |
| 代理商： | SAA5290 |
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February 1995
5
Philips Semiconductors
Preliminary specification
One page Economy Teletext/TV
microcontroller
SAA5290
VSYNC
37
Vertical sync dedicated input for a TTL-level version of the vertical sync pulse. The
polarity of this pulse is programmable by register bit TXT1.V POLARITY.
+5 V analog power supply.
+5 V teletext power supply.
Crystal oscillator ground.
12 MHz crystal oscillator input.
12 MHz crystal oscillator output.
If the reset input is HIGH for 2 machine cycles (24 oscillator periods) while the oscillator
is running, the SAA5290 is reset. This pin should be connected to V
DDM
via a 2.2
μ
F
capacitor.
+5 V microcontroller power supply.
PORT 1
: 8-bit open-drain bidirectional port with alternative functions. P1.0/INT1 is
external interrupt 1 which can be triggered on the rising and falling edge of the pulse.
P1.1/T0 is the counter/timer 0. P1.2/INT0 is external interrupt 0. P1.3/T1 is the
counter/timer 1. P1.6/SCL is the serial clock input for I
2
C-bus. P1.7/SDA is the serial
data port for the I
2
C-bus.
V
DDA
V
DDT
OSCGND
OSCIN
OSCOUT
RESET
38
39
40
41
42
43
V
DDM
P1.0/INT1
P1.1/T0
P1.2/INT0
P1.3/T1
P1.6/SCL
P1.7/SDA
P1.4
P1.5
44
45
46
47
48
49
50
51
52
SYMBOL
PIN
DESCRIPTION
相關PDF資料 |
PDF描述 |
|---|---|
| SAA5290A | Economy teletext and TV microcontrollers |
| SAA5290PS | Economy teletext and TV microcontrollers |
| SAA5290ZP | One page Economy Teletext/TV microcontroller |
| SAA5291PS | Economy teletext and TV microcontrollers(經(jīng)濟的圖文電視和TV控制器) |
| SAA5296APS | Economy teletext and TV microcontrollers(經(jīng)濟的圖文電視和TV控制器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5290A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5290PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| 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 |
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