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參數(shù)資料
| 型號： | PCB8517 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Stand-alone OSD for monitor applications |
| 中文描述： | 獨立的監(jiān)視器應(yīng)用OSD |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 740K |
| 代理商： | PCB8517 |
1997 Mar 03
4
Philips Semiconductors
Objective specification
Stand-alone OSD for monitor applications
PCB8517
PINNING
SYMBOL
PIN
DESCRIPTION
V
SSA
VCO
1
2
analog ground
DC control voltage input/output to regulate the internal PLL oscillator frequency; a low-pass filter
circuit is connected to this pin
bias input/output to regulate the bias current of internal current control oscillator to resonate at a
specific dot frequency
analog power supply
horizontal sync input signal from flyback circuit with negative polarity
active LOW input to enable serial interface
data input of serial interface
clock input of serial interface
digital power supply
vertical sync input signal from flyback circuit with negative polarity
half tone control which outputs a logic 1 during windowing except characters are displayed; it is
used to lower the external RED, GREEN and BLUE amplifier gain to achieve a transparent
windowing effect
fast blanking output of OSD; active HIGH and high impedance when OSD is disabled
blue colour output of OSD; active HIGH and high impedance when OSD is disabled
green colour output of OSD; active HIGH and high impedance when OSD is disabled
red colour output of OSD; active HIGH and high impedance when OSD is disabled
digital ground
BIAS
3
V
DDA
HFLB
EN
SDI
SCK
V
DDD
VFLB
HTONE
4
5
6
7
8
9
10
11
FB
BLUE
GREEN
RED
V
SSD
12
13
14
15
16
Fig.2 Pin configuration.
handbook, halfpage
PCB8517
MGD760
1
2
3
4
5
6
7
8
VSSA
VCO
BIAS
VDDA
HFLB
EN
SDI
SCK
VSSD
RED
GREEN
BLUE
FB
HTONE
VFLB
VDDD
16
15
14
13
12
11
10
9
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