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參數(shù)資料
| 型號(hào)： | STPC12GEYI |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | X86 Core PC Compatible System-on-Chip for Terminals |
| 中文描述： | x86內(nèi)核PC兼容系統(tǒng)上的終端芯片 |
| 文件頁(yè)數(shù)： | 87/111頁(yè) |
| 文件大?。?/td> | 1896K |
| 代理商： | STPC12GEYI |
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DESIGN GUIDELINES
Issue 1.0 - July 24, 2002
87/111
6.3.9. VGA INTERFACE
The STPC integrates a voltage reference and
video buffers. The amount of external devices is
then limited to the minimum as described in the
Figure 6-15
.
All the resistors and capacitors have to be as
close as possible to the STPC while the circuit
protector DALC112S1 must be close to the VGA
connector.
The DDC[1:0] lines, not represented here, have
also to be protected when they are used on the
VGA connector.
COL_SEL can be used when implementing the
Picture-In-Picture function outside the STPC, for
example when multiplexing an analog video
source. In that case, the CRTC of the STPC has to
be genlocked to this analog source.
DCLK is usually used by the TFT display which
has RGB inputs in order to synchronise the picture
at the level of the pixel.
When the VGA interface is not needed, the signals
R, G, B, HSYNC, VSYNC, COMP, RSET can be
left unconnected, VSS_DAC and VDD_DAC must
then be connected to GND.
Figure 6-15. Typical VGA implementation
143
1%
VDD_DAC
COMP
VREF_DAC
RSET
VSS_DAC
2.5V
10nF
100nF
47uF
AGND
COL_SEL
DCLK
HSYNC
VSYNC
R
G
B
75 1%
DALC112S1
AGND
3.3V
100nF
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| STPCI2GDY | X86 Core PC Compatible System-on-Chip for Terminals |
| STPCI2HEYC | X86 Core PC Compatible System-on-Chip for Terminals |
| STPC12HEYI | X86 Core PC Compatible System-on-Chip for Terminals |
| STPC12GDYI | X86 Core PC Compatible System-on-Chip for Terminals |
| STPC12 | X86 Core PC Compatible System-on-Chip for Terminals |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STPC12HDYC | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:X86 Core PC Compatible System-on-Chip for Terminals |
| STPC12HDYI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:X86 Core PC Compatible System-on-Chip for Terminals |
| STPC12HEYC | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:X86 Core PC Compatible System-on-Chip for Terminals |
| STPC12HEYI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:X86 Core PC Compatible System-on-Chip for Terminals |
| STPC1MBBL | 制造商:Panduit Corp 功能描述: |
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